Home / 3,951.06-5,921.88-1,839.85

Finding the Fourth Proportional to 3,951.06, 5,921.88 and 1,839.85

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Solution

The fourth proportional to 3,951.06, 5,921.88 and 1,839.85 is: 2,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.06 : 5,921.88 = 1,839.85 : x
  2. Step 2: Convert to fraction form
    3,951.06/5,921.88 = 1,839.85/x
  3. Step 3: Cross multiply
    3,951.06x = 5,921.88 × 1,839.85
  4. Step 4: Simplify right side
    3,951.06x = 10,895,370.92
  5. Step 5: Solve for x
    x = 10,895,370.92/3,951.06
  6. Step 6: Final answer
    x = 2,757.58

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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.