Home / 3,753.20-5,177.58-2,428.04

Finding the Fourth Proportional to 3,753.20, 5,177.58 and 2,428.04

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Solution

The fourth proportional to 3,753.20, 5,177.58 and 2,428.04 is: 3,349.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.20 : 5,177.58 = 2,428.04 : x
  2. Step 2: Convert to fraction form
    3,753.20/5,177.58 = 2,428.04/x
  3. Step 3: Cross multiply
    3,753.20x = 5,177.58 × 2,428.04
  4. Step 4: Simplify right side
    3,753.20x = 12,571,371.34
  5. Step 5: Solve for x
    x = 12,571,371.34/3,753.20
  6. Step 6: Final answer
    x = 3,349.51

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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.