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Finding the Fourth Proportional to 1,773.26, 2,659.88 and 540.66

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Solution

The fourth proportional to 1,773.26, 2,659.88 and 540.66 is: 810.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.26 : 2,659.88 = 540.66 : x
  2. Step 2: Convert to fraction form
    1,773.26/2,659.88 = 540.66/x
  3. Step 3: Cross multiply
    1,773.26x = 2,659.88 × 540.66
  4. Step 4: Simplify right side
    1,773.26x = 1,438,092.07
  5. Step 5: Solve for x
    x = 1,438,092.07/1,773.26
  6. Step 6: Final answer
    x = 810.99

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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.