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Finding the Fourth Proportional to 1,608.29, 2,410.26 and 729.70

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Solution

The fourth proportional to 1,608.29, 2,410.26 and 729.70 is: 1,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608.29 : 2,410.26 = 729.70 : x
  2. Step 2: Convert to fraction form
    1,608.29/2,410.26 = 729.70/x
  3. Step 3: Cross multiply
    1,608.29x = 2,410.26 × 729.70
  4. Step 4: Simplify right side
    1,608.29x = 1,758,757.96
  5. Step 5: Solve for x
    x = 1,758,757.96/1,608.29
  6. Step 6: Final answer
    x = 1,093.56

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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.