Home / 2,249.72-3,098.12-2,242.88

Finding the Fourth Proportional to 2,249.72, 3,098.12 and 2,242.88

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Solution

The fourth proportional to 2,249.72, 3,098.12 and 2,242.88 is: 3,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.72 : 3,098.12 = 2,242.88 : x
  2. Step 2: Convert to fraction form
    2,249.72/3,098.12 = 2,242.88/x
  3. Step 3: Cross multiply
    2,249.72x = 3,098.12 × 2,242.88
  4. Step 4: Simplify right side
    2,249.72x = 6,948,707.92
  5. Step 5: Solve for x
    x = 6,948,707.92/2,249.72
  6. Step 6: Final answer
    x = 3,088.71

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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.