Home / 3,694.51-5,098.92-2,122.61

Finding the Fourth Proportional to 3,694.51, 5,098.92 and 2,122.61

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Solution

The fourth proportional to 3,694.51, 5,098.92 and 2,122.61 is: 2,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.51 : 5,098.92 = 2,122.61 : x
  2. Step 2: Convert to fraction form
    3,694.51/5,098.92 = 2,122.61/x
  3. Step 3: Cross multiply
    3,694.51x = 5,098.92 × 2,122.61
  4. Step 4: Simplify right side
    3,694.51x = 10,822,985.13
  5. Step 5: Solve for x
    x = 10,822,985.13/3,694.51
  6. Step 6: Final answer
    x = 2,929.48

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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.