Home / 2,882.97-4,308.66-2,104.61

Finding the Fourth Proportional to 2,882.97, 4,308.66 and 2,104.61

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Solution

The fourth proportional to 2,882.97, 4,308.66 and 2,104.61 is: 3,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.97 : 4,308.66 = 2,104.61 : x
  2. Step 2: Convert to fraction form
    2,882.97/4,308.66 = 2,104.61/x
  3. Step 3: Cross multiply
    2,882.97x = 4,308.66 × 2,104.61
  4. Step 4: Simplify right side
    2,882.97x = 9,068,052.58
  5. Step 5: Solve for x
    x = 9,068,052.58/2,882.97
  6. Step 6: Final answer
    x = 3,145.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.