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Finding the Fourth Proportional to 1,797.26, 2,695.22 and 822.68

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Solution

The fourth proportional to 1,797.26, 2,695.22 and 822.68 is: 1,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.26 : 2,695.22 = 822.68 : x
  2. Step 2: Convert to fraction form
    1,797.26/2,695.22 = 822.68/x
  3. Step 3: Cross multiply
    1,797.26x = 2,695.22 × 822.68
  4. Step 4: Simplify right side
    1,797.26x = 2,217,303.59
  5. Step 5: Solve for x
    x = 2,217,303.59/1,797.26
  6. Step 6: Final answer
    x = 1,233.71

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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.