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Finding the Fourth Proportional to 1,796.22, 2,694.33 and 769.50

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Solution

The fourth proportional to 1,796.22, 2,694.33 and 769.50 is: 1,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.22 : 2,694.33 = 769.50 : x
  2. Step 2: Convert to fraction form
    1,796.22/2,694.33 = 769.50/x
  3. Step 3: Cross multiply
    1,796.22x = 2,694.33 × 769.50
  4. Step 4: Simplify right side
    1,796.22x = 2,073,286.94
  5. Step 5: Solve for x
    x = 2,073,286.94/1,796.22
  6. Step 6: Final answer
    x = 1,154.25

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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.