Home / 3,720.17-5,581.29-3,025.13

Finding the Fourth Proportional to 3,720.17, 5,581.29 and 3,025.13

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Solution

The fourth proportional to 3,720.17, 5,581.29 and 3,025.13 is: 4,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.17 : 5,581.29 = 3,025.13 : x
  2. Step 2: Convert to fraction form
    3,720.17/5,581.29 = 3,025.13/x
  3. Step 3: Cross multiply
    3,720.17x = 5,581.29 × 3,025.13
  4. Step 4: Simplify right side
    3,720.17x = 16,884,099.91
  5. Step 5: Solve for x
    x = 16,884,099.91/3,720.17
  6. Step 6: Final answer
    x = 4,538.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.