Home / 3,042.96-4,198.16-2,248.20

Finding the Fourth Proportional to 3,042.96, 4,198.16 and 2,248.20

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Solution

The fourth proportional to 3,042.96, 4,198.16 and 2,248.20 is: 3,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.96 : 4,198.16 = 2,248.20 : x
  2. Step 2: Convert to fraction form
    3,042.96/4,198.16 = 2,248.20/x
  3. Step 3: Cross multiply
    3,042.96x = 4,198.16 × 2,248.20
  4. Step 4: Simplify right side
    3,042.96x = 9,438,308.93
  5. Step 5: Solve for x
    x = 9,438,308.93/3,042.96
  6. Step 6: Final answer
    x = 3,101.68

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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.