Home / 3,721.02-5,134.98-2,042.43

Finding the Fourth Proportional to 3,721.02, 5,134.98 and 2,042.43

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Solution

The fourth proportional to 3,721.02, 5,134.98 and 2,042.43 is: 2,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.02 : 5,134.98 = 2,042.43 : x
  2. Step 2: Convert to fraction form
    3,721.02/5,134.98 = 2,042.43/x
  3. Step 3: Cross multiply
    3,721.02x = 5,134.98 × 2,042.43
  4. Step 4: Simplify right side
    3,721.02x = 10,487,837.20
  5. Step 5: Solve for x
    x = 10,487,837.20/3,721.02
  6. Step 6: Final answer
    x = 2,818.54

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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.