Home / 3,158.26-4,358.10-1,831.66

Finding the Fourth Proportional to 3,158.26, 4,358.10 and 1,831.66

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Solution

The fourth proportional to 3,158.26, 4,358.10 and 1,831.66 is: 2,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.26 : 4,358.10 = 1,831.66 : x
  2. Step 2: Convert to fraction form
    3,158.26/4,358.10 = 1,831.66/x
  3. Step 3: Cross multiply
    3,158.26x = 4,358.10 × 1,831.66
  4. Step 4: Simplify right side
    3,158.26x = 7,982,557.45
  5. Step 5: Solve for x
    x = 7,982,557.45/3,158.26
  6. Step 6: Final answer
    x = 2,527.52

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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.