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Finding the Fourth Proportional to 1,616, 2,229.98 and 952.82

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Solution

The fourth proportional to 1,616, 2,229.98 and 952.82 is: 1,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616 : 2,229.98 = 952.82 : x
  2. Step 2: Convert to fraction form
    1,616/2,229.98 = 952.82/x
  3. Step 3: Cross multiply
    1,616x = 2,229.98 × 952.82
  4. Step 4: Simplify right side
    1,616x = 2,124,769.54
  5. Step 5: Solve for x
    x = 2,124,769.54/1,616
  6. Step 6: Final answer
    x = 1,314.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.