Home / 3,721.12-5,134.86-2,042.26

Finding the Fourth Proportional to 3,721.12, 5,134.86 and 2,042.26

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Solution

The fourth proportional to 3,721.12, 5,134.86 and 2,042.26 is: 2,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.12 : 5,134.86 = 2,042.26 : x
  2. Step 2: Convert to fraction form
    3,721.12/5,134.86 = 2,042.26/x
  3. Step 3: Cross multiply
    3,721.12x = 5,134.86 × 2,042.26
  4. Step 4: Simplify right side
    3,721.12x = 10,486,706.35
  5. Step 5: Solve for x
    x = 10,486,706.35/3,721.12
  6. Step 6: Final answer
    x = 2,818.16

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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.