Home / 3,724.11-5,138.96-2,045.52

Finding the Fourth Proportional to 3,724.11, 5,138.96 and 2,045.52

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Solution

The fourth proportional to 3,724.11, 5,138.96 and 2,045.52 is: 2,822.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.11 : 5,138.96 = 2,045.52 : x
  2. Step 2: Convert to fraction form
    3,724.11/5,138.96 = 2,045.52/x
  3. Step 3: Cross multiply
    3,724.11x = 5,138.96 × 2,045.52
  4. Step 4: Simplify right side
    3,724.11x = 10,511,845.46
  5. Step 5: Solve for x
    x = 10,511,845.46/3,724.11
  6. Step 6: Final answer
    x = 2,822.65

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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.