Home / 2,927.62-4,382.97-2,278.90

Finding the Fourth Proportional to 2,927.62, 4,382.97 and 2,278.90

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Solution

The fourth proportional to 2,927.62, 4,382.97 and 2,278.90 is: 3,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.62 : 4,382.97 = 2,278.90 : x
  2. Step 2: Convert to fraction form
    2,927.62/4,382.97 = 2,278.90/x
  3. Step 3: Cross multiply
    2,927.62x = 4,382.97 × 2,278.90
  4. Step 4: Simplify right side
    2,927.62x = 9,988,350.33
  5. Step 5: Solve for x
    x = 9,988,350.33/2,927.62
  6. Step 6: Final answer
    x = 3,411.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.