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Finding the Fourth Proportional to 2,329.92, 3,489.09 and 1,353.06

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Solution

The fourth proportional to 2,329.92, 3,489.09 and 1,353.06 is: 2,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.92 : 3,489.09 = 1,353.06 : x
  2. Step 2: Convert to fraction form
    2,329.92/3,489.09 = 1,353.06/x
  3. Step 3: Cross multiply
    2,329.92x = 3,489.09 × 1,353.06
  4. Step 4: Simplify right side
    2,329.92x = 4,720,948.12
  5. Step 5: Solve for x
    x = 4,720,948.12/2,329.92
  6. Step 6: Final answer
    x = 2,026.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.