Home / 2,489.13-3,734.61-1,173.29

Finding the Fourth Proportional to 2,489.13, 3,734.61 and 1,173.29

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Solution

The fourth proportional to 2,489.13, 3,734.61 and 1,173.29 is: 1,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.13 : 3,734.61 = 1,173.29 : x
  2. Step 2: Convert to fraction form
    2,489.13/3,734.61 = 1,173.29/x
  3. Step 3: Cross multiply
    2,489.13x = 3,734.61 × 1,173.29
  4. Step 4: Simplify right side
    2,489.13x = 4,381,757.49
  5. Step 5: Solve for x
    x = 4,381,757.49/2,489.13
  6. Step 6: Final answer
    x = 1,760.36

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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.