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Finding the Fourth Proportional to 1,732.50, 2,598.81 and 433.97

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Solution

The fourth proportional to 1,732.50, 2,598.81 and 433.97 is: 650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.50 : 2,598.81 = 433.97 : x
  2. Step 2: Convert to fraction form
    1,732.50/2,598.81 = 433.97/x
  3. Step 3: Cross multiply
    1,732.50x = 2,598.81 × 433.97
  4. Step 4: Simplify right side
    1,732.50x = 1,127,800.70
  5. Step 5: Solve for x
    x = 1,127,800.70/1,732.50
  6. Step 6: Final answer
    x = 650.97

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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.