Home / 1,949.97-2,692.77-1,252.57

Finding the Fourth Proportional to 1,949.97, 2,692.77 and 1,252.57

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Solution

The fourth proportional to 1,949.97, 2,692.77 and 1,252.57 is: 1,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.97 : 2,692.77 = 1,252.57 : x
  2. Step 2: Convert to fraction form
    1,949.97/2,692.77 = 1,252.57/x
  3. Step 3: Cross multiply
    1,949.97x = 2,692.77 × 1,252.57
  4. Step 4: Simplify right side
    1,949.97x = 3,372,876.66
  5. Step 5: Solve for x
    x = 3,372,876.66/1,949.97
  6. Step 6: Final answer
    x = 1,729.71

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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.