Home / 3,198.45-4,414.55-2,149.91

Finding the Fourth Proportional to 3,198.45, 4,414.55 and 2,149.91

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Solution

The fourth proportional to 3,198.45, 4,414.55 and 2,149.91 is: 2,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.45 : 4,414.55 = 2,149.91 : x
  2. Step 2: Convert to fraction form
    3,198.45/4,414.55 = 2,149.91/x
  3. Step 3: Cross multiply
    3,198.45x = 4,414.55 × 2,149.91
  4. Step 4: Simplify right side
    3,198.45x = 9,490,868.92
  5. Step 5: Solve for x
    x = 9,490,868.92/3,198.45
  6. Step 6: Final answer
    x = 2,967.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.