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Finding the Fourth Proportional to 3,951.57, 5,927.07 and 1,029.78

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Solution

The fourth proportional to 3,951.57, 5,927.07 and 1,029.78 is: 1,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.57 : 5,927.07 = 1,029.78 : x
  2. Step 2: Convert to fraction form
    3,951.57/5,927.07 = 1,029.78/x
  3. Step 3: Cross multiply
    3,951.57x = 5,927.07 × 1,029.78
  4. Step 4: Simplify right side
    3,951.57x = 6,103,578.14
  5. Step 5: Solve for x
    x = 6,103,578.14/3,951.57
  6. Step 6: Final answer
    x = 1,544.60

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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.