Home / 2,391.11-3,294.87-1,831.58

Finding the Fourth Proportional to 2,391.11, 3,294.87 and 1,831.58

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Solution

The fourth proportional to 2,391.11, 3,294.87 and 1,831.58 is: 2,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.11 : 3,294.87 = 1,831.58 : x
  2. Step 2: Convert to fraction form
    2,391.11/3,294.87 = 1,831.58/x
  3. Step 3: Cross multiply
    2,391.11x = 3,294.87 × 1,831.58
  4. Step 4: Simplify right side
    2,391.11x = 6,034,817.99
  5. Step 5: Solve for x
    x = 6,034,817.99/2,391.11
  6. Step 6: Final answer
    x = 2,523.86

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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.