Home / 3,721.02-5,135.04-2,042.61

Finding the Fourth Proportional to 3,721.02, 5,135.04 and 2,042.61

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Solution

The fourth proportional to 3,721.02, 5,135.04 and 2,042.61 is: 2,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.02 : 5,135.04 = 2,042.61 : x
  2. Step 2: Convert to fraction form
    3,721.02/5,135.04 = 2,042.61/x
  3. Step 3: Cross multiply
    3,721.02x = 5,135.04 × 2,042.61
  4. Step 4: Simplify right side
    3,721.02x = 10,488,884.05
  5. Step 5: Solve for x
    x = 10,488,884.05/3,721.02
  6. Step 6: Final answer
    x = 2,818.82

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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.