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Finding the Fourth Proportional to 2,288.97, 3,433.39 and 729.08

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Solution

The fourth proportional to 2,288.97, 3,433.39 and 729.08 is: 1,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.97 : 3,433.39 = 729.08 : x
  2. Step 2: Convert to fraction form
    2,288.97/3,433.39 = 729.08/x
  3. Step 3: Cross multiply
    2,288.97x = 3,433.39 × 729.08
  4. Step 4: Simplify right side
    2,288.97x = 2,503,229.18
  5. Step 5: Solve for x
    x = 2,503,229.18/2,288.97
  6. Step 6: Final answer
    x = 1,093.61

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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.