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Finding the Fourth Proportional to 1,732.60, 2,597.10 and 864.28

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Solution

The fourth proportional to 1,732.60, 2,597.10 and 864.28 is: 1,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.60 : 2,597.10 = 864.28 : x
  2. Step 2: Convert to fraction form
    1,732.60/2,597.10 = 864.28/x
  3. Step 3: Cross multiply
    1,732.60x = 2,597.10 × 864.28
  4. Step 4: Simplify right side
    1,732.60x = 2,244,621.59
  5. Step 5: Solve for x
    x = 2,244,621.59/1,732.60
  6. Step 6: Final answer
    x = 1,295.52

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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.