Home / 3,278.97-4,914.27-2,108.52

Finding the Fourth Proportional to 3,278.97, 4,914.27 and 2,108.52

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Solution

The fourth proportional to 3,278.97, 4,914.27 and 2,108.52 is: 3,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.97 : 4,914.27 = 2,108.52 : x
  2. Step 2: Convert to fraction form
    3,278.97/4,914.27 = 2,108.52/x
  3. Step 3: Cross multiply
    3,278.97x = 4,914.27 × 2,108.52
  4. Step 4: Simplify right side
    3,278.97x = 10,361,836.58
  5. Step 5: Solve for x
    x = 10,361,836.58/3,278.97
  6. Step 6: Final answer
    x = 3,160.09

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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.