Home / 3,377.90-5,067.08-2,147.72

Finding the Fourth Proportional to 3,377.90, 5,067.08 and 2,147.72

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Solution

The fourth proportional to 3,377.90, 5,067.08 and 2,147.72 is: 3,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.90 : 5,067.08 = 2,147.72 : x
  2. Step 2: Convert to fraction form
    3,377.90/5,067.08 = 2,147.72/x
  3. Step 3: Cross multiply
    3,377.90x = 5,067.08 × 2,147.72
  4. Step 4: Simplify right side
    3,377.90x = 10,882,669.06
  5. Step 5: Solve for x
    x = 10,882,669.06/3,377.90
  6. Step 6: Final answer
    x = 3,221.73

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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.