Home / 3,240.59-4,862.49-2,144.66

Finding the Fourth Proportional to 3,240.59, 4,862.49 and 2,144.66

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Solution

The fourth proportional to 3,240.59, 4,862.49 and 2,144.66 is: 3,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.59 : 4,862.49 = 2,144.66 : x
  2. Step 2: Convert to fraction form
    3,240.59/4,862.49 = 2,144.66/x
  3. Step 3: Cross multiply
    3,240.59x = 4,862.49 × 2,144.66
  4. Step 4: Simplify right side
    3,240.59x = 10,428,387.80
  5. Step 5: Solve for x
    x = 10,428,387.80/3,240.59
  6. Step 6: Final answer
    x = 3,218.05

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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.