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Finding the Fourth Proportional to 1,691.97, 2,538.57 and 1,041.95

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Solution

The fourth proportional to 1,691.97, 2,538.57 and 1,041.95 is: 1,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691.97 : 2,538.57 = 1,041.95 : x
  2. Step 2: Convert to fraction form
    1,691.97/2,538.57 = 1,041.95/x
  3. Step 3: Cross multiply
    1,691.97x = 2,538.57 × 1,041.95
  4. Step 4: Simplify right side
    1,691.97x = 2,645,050.32
  5. Step 5: Solve for x
    x = 2,645,050.32/1,691.97
  6. Step 6: Final answer
    x = 1,563.30

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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.