Home / 3,753.46-5,179.98-2,428.30

Finding the Fourth Proportional to 3,753.46, 5,179.98 and 2,428.30

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Solution

The fourth proportional to 3,753.46, 5,179.98 and 2,428.30 is: 3,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.46 : 5,179.98 = 2,428.30 : x
  2. Step 2: Convert to fraction form
    3,753.46/5,179.98 = 2,428.30/x
  3. Step 3: Cross multiply
    3,753.46x = 5,179.98 × 2,428.30
  4. Step 4: Simplify right side
    3,753.46x = 12,578,545.43
  5. Step 5: Solve for x
    x = 12,578,545.43/3,753.46
  6. Step 6: Final answer
    x = 3,351.19

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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.