Home / 3,144.90-4,332.46-2,198.92

Finding the Fourth Proportional to 3,144.90, 4,332.46 and 2,198.92

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Solution

The fourth proportional to 3,144.90, 4,332.46 and 2,198.92 is: 3,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.90 : 4,332.46 = 2,198.92 : x
  2. Step 2: Convert to fraction form
    3,144.90/4,332.46 = 2,198.92/x
  3. Step 3: Cross multiply
    3,144.90x = 4,332.46 × 2,198.92
  4. Step 4: Simplify right side
    3,144.90x = 9,526,747.23
  5. Step 5: Solve for x
    x = 9,526,747.23/3,144.90
  6. Step 6: Final answer
    x = 3,029.27

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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.