Home / 2,543.28-3,814.23-2,132.61

Finding the Fourth Proportional to 2,543.28, 3,814.23 and 2,132.61

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Solution

The fourth proportional to 2,543.28, 3,814.23 and 2,132.61 is: 3,198.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.28 : 3,814.23 = 2,132.61 : x
  2. Step 2: Convert to fraction form
    2,543.28/3,814.23 = 2,132.61/x
  3. Step 3: Cross multiply
    2,543.28x = 3,814.23 × 2,132.61
  4. Step 4: Simplify right side
    2,543.28x = 8,134,265.04
  5. Step 5: Solve for x
    x = 8,134,265.04/2,543.28
  6. Step 6: Final answer
    x = 3,198.34

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1.5x scale

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.