Home / 3,753.28-5,627.20-1,154.72

Finding the Fourth Proportional to 3,753.28, 5,627.20 and 1,154.72

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Solution

The fourth proportional to 3,753.28, 5,627.20 and 1,154.72 is: 1,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.28 : 5,627.20 = 1,154.72 : x
  2. Step 2: Convert to fraction form
    3,753.28/5,627.20 = 1,154.72/x
  3. Step 3: Cross multiply
    3,753.28x = 5,627.20 × 1,154.72
  4. Step 4: Simplify right side
    3,753.28x = 6,497,840.38
  5. Step 5: Solve for x
    x = 6,497,840.38/3,753.28
  6. Step 6: Final answer
    x = 1,731.24

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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.