Home / 3,726.11-5,143.17-2,399.81

Finding the Fourth Proportional to 3,726.11, 5,143.17 and 2,399.81

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Solution

The fourth proportional to 3,726.11, 5,143.17 and 2,399.81 is: 3,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.11 : 5,143.17 = 2,399.81 : x
  2. Step 2: Convert to fraction form
    3,726.11/5,143.17 = 2,399.81/x
  3. Step 3: Cross multiply
    3,726.11x = 5,143.17 × 2,399.81
  4. Step 4: Simplify right side
    3,726.11x = 12,342,605.08
  5. Step 5: Solve for x
    x = 12,342,605.08/3,726.11
  6. Step 6: Final answer
    x = 3,312.47

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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.