Home / 3,736.90-5,157.38-2,245.60

Finding the Fourth Proportional to 3,736.90, 5,157.38 and 2,245.60

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Solution

The fourth proportional to 3,736.90, 5,157.38 and 2,245.60 is: 3,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.90 : 5,157.38 = 2,245.60 : x
  2. Step 2: Convert to fraction form
    3,736.90/5,157.38 = 2,245.60/x
  3. Step 3: Cross multiply
    3,736.90x = 5,157.38 × 2,245.60
  4. Step 4: Simplify right side
    3,736.90x = 11,581,412.53
  5. Step 5: Solve for x
    x = 11,581,412.53/3,736.90
  6. Step 6: Final answer
    x = 3,099.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.