Home / 3,724.12-5,139.25-2,022.66

Finding the Fourth Proportional to 3,724.12, 5,139.25 and 2,022.66

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Solution

The fourth proportional to 3,724.12, 5,139.25 and 2,022.66 is: 2,791.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.12 : 5,139.25 = 2,022.66 : x
  2. Step 2: Convert to fraction form
    3,724.12/5,139.25 = 2,022.66/x
  3. Step 3: Cross multiply
    3,724.12x = 5,139.25 × 2,022.66
  4. Step 4: Simplify right side
    3,724.12x = 10,394,929.71
  5. Step 5: Solve for x
    x = 10,394,929.71/3,724.12
  6. Step 6: Final answer
    x = 2,791.25

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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.