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Finding the Fourth Proportional to 1,583.39, 2,375.24 and 413.41

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Solution

The fourth proportional to 1,583.39, 2,375.24 and 413.41 is: 620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.39 : 2,375.24 = 413.41 : x
  2. Step 2: Convert to fraction form
    1,583.39/2,375.24 = 413.41/x
  3. Step 3: Cross multiply
    1,583.39x = 2,375.24 × 413.41
  4. Step 4: Simplify right side
    1,583.39x = 981,934.03
  5. Step 5: Solve for x
    x = 981,934.03/1,583.39
  6. Step 6: Final answer
    x = 620.15

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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.