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Finding the Fourth Proportional to 3,984.31, 5,974.14 and 1,350.93

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Solution

The fourth proportional to 3,984.31, 5,974.14 and 1,350.93 is: 2,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.31 : 5,974.14 = 1,350.93 : x
  2. Step 2: Convert to fraction form
    3,984.31/5,974.14 = 1,350.93/x
  3. Step 3: Cross multiply
    3,984.31x = 5,974.14 × 1,350.93
  4. Step 4: Simplify right side
    3,984.31x = 8,070,644.95
  5. Step 5: Solve for x
    x = 8,070,644.95/3,984.31
  6. Step 6: Final answer
    x = 2,025.61

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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.