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Finding the Fourth Proportional to 1,629.87, 2,444.97 and 534.24

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Solution

The fourth proportional to 1,629.87, 2,444.97 and 534.24 is: 801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.87 : 2,444.97 = 534.24 : x
  2. Step 2: Convert to fraction form
    1,629.87/2,444.97 = 534.24/x
  3. Step 3: Cross multiply
    1,629.87x = 2,444.97 × 534.24
  4. Step 4: Simplify right side
    1,629.87x = 1,306,200.77
  5. Step 5: Solve for x
    x = 1,306,200.77/1,629.87
  6. Step 6: Final answer
    x = 801.41

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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.