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Finding the Fourth Proportional to 3,951.25, 5,926.97 and 3,028.46

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Solution

The fourth proportional to 3,951.25, 5,926.97 and 3,028.46 is: 4,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.25 : 5,926.97 = 3,028.46 : x
  2. Step 2: Convert to fraction form
    3,951.25/5,926.97 = 3,028.46/x
  3. Step 3: Cross multiply
    3,951.25x = 5,926.97 × 3,028.46
  4. Step 4: Simplify right side
    3,951.25x = 17,949,569.50
  5. Step 5: Solve for x
    x = 17,949,569.50/3,951.25
  6. Step 6: Final answer
    x = 4,542.76

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1.5x scale

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.