Home / 3,391.14-5,087.48-1,831.11

Finding the Fourth Proportional to 3,391.14, 5,087.48 and 1,831.11

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Solution

The fourth proportional to 3,391.14, 5,087.48 and 1,831.11 is: 2,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.14 : 5,087.48 = 1,831.11 : x
  2. Step 2: Convert to fraction form
    3,391.14/5,087.48 = 1,831.11/x
  3. Step 3: Cross multiply
    3,391.14x = 5,087.48 × 1,831.11
  4. Step 4: Simplify right side
    3,391.14x = 9,315,726.35
  5. Step 5: Solve for x
    x = 9,315,726.35/3,391.14
  6. Step 6: Final answer
    x = 2,747.08

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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.