Home / 2,822.72-4,234.25-1,591.18

Finding the Fourth Proportional to 2,822.72, 4,234.25 and 1,591.18

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Solution

The fourth proportional to 2,822.72, 4,234.25 and 1,591.18 is: 2,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.72 : 4,234.25 = 1,591.18 : x
  2. Step 2: Convert to fraction form
    2,822.72/4,234.25 = 1,591.18/x
  3. Step 3: Cross multiply
    2,822.72x = 4,234.25 × 1,591.18
  4. Step 4: Simplify right side
    2,822.72x = 6,737,447.31
  5. Step 5: Solve for x
    x = 6,737,447.31/2,822.72
  6. Step 6: Final answer
    x = 2,386.87

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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.