Home / 3,391.52-5,089.17-1,831.49

Finding the Fourth Proportional to 3,391.52, 5,089.17 and 1,831.49

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Solution

The fourth proportional to 3,391.52, 5,089.17 and 1,831.49 is: 2,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.52 : 5,089.17 = 1,831.49 : x
  2. Step 2: Convert to fraction form
    3,391.52/5,089.17 = 1,831.49/x
  3. Step 3: Cross multiply
    3,391.52x = 5,089.17 × 1,831.49
  4. Step 4: Simplify right side
    3,391.52x = 9,320,763.96
  5. Step 5: Solve for x
    x = 9,320,763.96/3,391.52
  6. Step 6: Final answer
    x = 2,748.26

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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.