Home / 3,724.38-5,572.13-2,686.77

Finding the Fourth Proportional to 3,724.38, 5,572.13 and 2,686.77

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Solution

The fourth proportional to 3,724.38, 5,572.13 and 2,686.77 is: 4,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.38 : 5,572.13 = 2,686.77 : x
  2. Step 2: Convert to fraction form
    3,724.38/5,572.13 = 2,686.77/x
  3. Step 3: Cross multiply
    3,724.38x = 5,572.13 × 2,686.77
  4. Step 4: Simplify right side
    3,724.38x = 14,971,018.29
  5. Step 5: Solve for x
    x = 14,971,018.29/3,724.38
  6. Step 6: Final answer
    x = 4,019.73

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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.