Home / 2,726.39-3,761.92-1,831.43

Finding the Fourth Proportional to 2,726.39, 3,761.92 and 1,831.43

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Solution

The fourth proportional to 2,726.39, 3,761.92 and 1,831.43 is: 2,527.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.39 : 3,761.92 = 1,831.43 : x
  2. Step 2: Convert to fraction form
    2,726.39/3,761.92 = 1,831.43/x
  3. Step 3: Cross multiply
    2,726.39x = 3,761.92 × 1,831.43
  4. Step 4: Simplify right side
    2,726.39x = 6,889,693.15
  5. Step 5: Solve for x
    x = 6,889,693.15/2,726.39
  6. Step 6: Final answer
    x = 2,527.04

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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.