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Finding the Fourth Proportional to 1,549.60, 2,324.97 and 717.06

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Solution

The fourth proportional to 1,549.60, 2,324.97 and 717.06 is: 1,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.60 : 2,324.97 = 717.06 : x
  2. Step 2: Convert to fraction form
    1,549.60/2,324.97 = 717.06/x
  3. Step 3: Cross multiply
    1,549.60x = 2,324.97 × 717.06
  4. Step 4: Simplify right side
    1,549.60x = 1,667,141.20
  5. Step 5: Solve for x
    x = 1,667,141.20/1,549.60
  6. Step 6: Final answer
    x = 1,075.85

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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.