Home / 3,721.22-5,134.96-2,042.62

Finding the Fourth Proportional to 3,721.22, 5,134.96 and 2,042.62

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Solution

The fourth proportional to 3,721.22, 5,134.96 and 2,042.62 is: 2,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.22 : 5,134.96 = 2,042.62 : x
  2. Step 2: Convert to fraction form
    3,721.22/5,134.96 = 2,042.62/x
  3. Step 3: Cross multiply
    3,721.22x = 5,134.96 × 2,042.62
  4. Step 4: Simplify right side
    3,721.22x = 10,488,753.09
  5. Step 5: Solve for x
    x = 10,488,753.09/3,721.22
  6. Step 6: Final answer
    x = 2,818.64

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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.