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Finding the Fourth Proportional to 1,375.80, 2,063.79 and 595.95

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Solution

The fourth proportional to 1,375.80, 2,063.79 and 595.95 is: 893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375.80 : 2,063.79 = 595.95 : x
  2. Step 2: Convert to fraction form
    1,375.80/2,063.79 = 595.95/x
  3. Step 3: Cross multiply
    1,375.80x = 2,063.79 × 595.95
  4. Step 4: Simplify right side
    1,375.80x = 1,229,915.65
  5. Step 5: Solve for x
    x = 1,229,915.65/1,375.80
  6. Step 6: Final answer
    x = 893.96

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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.