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Finding the Fourth Proportional to 1,797.07, 2,694.85 and 757.54

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Solution

The fourth proportional to 1,797.07, 2,694.85 and 757.54 is: 1,135.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.07 : 2,694.85 = 757.54 : x
  2. Step 2: Convert to fraction form
    1,797.07/2,694.85 = 757.54/x
  3. Step 3: Cross multiply
    1,797.07x = 2,694.85 × 757.54
  4. Step 4: Simplify right side
    1,797.07x = 2,041,456.67
  5. Step 5: Solve for x
    x = 2,041,456.67/1,797.07
  6. Step 6: Final answer
    x = 1,135.99

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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.