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Finding the Fourth Proportional to 1,794.38, 2,687.88 and 1,589.48

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Solution

The fourth proportional to 1,794.38, 2,687.88 and 1,589.48 is: 2,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.38 : 2,687.88 = 1,589.48 : x
  2. Step 2: Convert to fraction form
    1,794.38/2,687.88 = 1,589.48/x
  3. Step 3: Cross multiply
    1,794.38x = 2,687.88 × 1,589.48
  4. Step 4: Simplify right side
    1,794.38x = 4,272,331.50
  5. Step 5: Solve for x
    x = 4,272,331.50/1,794.38
  6. Step 6: Final answer
    x = 2,380.95

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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.