Home / 2,487.34-3,727.21-1,251.30

Finding the Fourth Proportional to 2,487.34, 3,727.21 and 1,251.30

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Solution

The fourth proportional to 2,487.34, 3,727.21 and 1,251.30 is: 1,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.34 : 3,727.21 = 1,251.30 : x
  2. Step 2: Convert to fraction form
    2,487.34/3,727.21 = 1,251.30/x
  3. Step 3: Cross multiply
    2,487.34x = 3,727.21 × 1,251.30
  4. Step 4: Simplify right side
    2,487.34x = 4,663,857.87
  5. Step 5: Solve for x
    x = 4,663,857.87/2,487.34
  6. Step 6: Final answer
    x = 1,875.04

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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.