Enter proportion values below:

  
---------- ----------
  
  
Numerator 1  =  Denominator 1 * Numerator 2
  Denominator 2

c  =  3 * 400
  1

c  =  1200
  1

Answer
Success!
c = 1200

↓Steps Explained:↓

You entered the following equivalent proportions:

c
3
=
  
400
1

Define the proportion formula:

If 2 proportions are equal:
we can cross multiply to get:

Numerator 1
Denominator 1
=
  
Numerator 2
Denominator 2

Numerator 1 * Denominator 2 = Denominator 1 * Numerator 2

Solving for Numerator 1 we get:

Numerator 1  =  Denominator 1 * Numerator 2
  Denominator 2

Evaluate and simplfy

c  =  3 * 400
  1

c  =  1200
  1

Final Answer

c = 1200
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