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Finding the Fourth Proportional to 1,729.36, 2,593.67 and 559.47

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Solution

The fourth proportional to 1,729.36, 2,593.67 and 559.47 is: 839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.36 : 2,593.67 = 559.47 : x
  2. Step 2: Convert to fraction form
    1,729.36/2,593.67 = 559.47/x
  3. Step 3: Cross multiply
    1,729.36x = 2,593.67 × 559.47
  4. Step 4: Simplify right side
    1,729.36x = 1,451,080.55
  5. Step 5: Solve for x
    x = 1,451,080.55/1,729.36
  6. Step 6: Final answer
    x = 839.09

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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.