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Finding the Fourth Proportional to 2,573.26, 3,859.28 and 724.54

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Solution

The fourth proportional to 2,573.26, 3,859.28 and 724.54 is: 1,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.26 : 3,859.28 = 724.54 : x
  2. Step 2: Convert to fraction form
    2,573.26/3,859.28 = 724.54/x
  3. Step 3: Cross multiply
    2,573.26x = 3,859.28 × 724.54
  4. Step 4: Simplify right side
    2,573.26x = 2,796,202.73
  5. Step 5: Solve for x
    x = 2,796,202.73/2,573.26
  6. Step 6: Final answer
    x = 1,086.64

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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.