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Finding the Fourth Proportional to 2,392.96, 3,589.44 and 2,218

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Solution

The fourth proportional to 2,392.96, 3,589.44 and 2,218 is: 3,327

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.96 : 3,589.44 = 2,218 : x
  2. Step 2: Convert to fraction form
    2,392.96/3,589.44 = 2,218/x
  3. Step 3: Cross multiply
    2,392.96x = 3,589.44 × 2,218
  4. Step 4: Simplify right side
    2,392.96x = 7,961,377.92
  5. Step 5: Solve for x
    x = 7,961,377.92/2,392.96
  6. Step 6: Final answer
    x = 3,327

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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.