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Finding the Fourth Proportional to 1,729.01, 2,592.60 and 753.97

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Solution

The fourth proportional to 1,729.01, 2,592.60 and 753.97 is: 1,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.01 : 2,592.60 = 753.97 : x
  2. Step 2: Convert to fraction form
    1,729.01/2,592.60 = 753.97/x
  3. Step 3: Cross multiply
    1,729.01x = 2,592.60 × 753.97
  4. Step 4: Simplify right side
    1,729.01x = 1,954,742.62
  5. Step 5: Solve for x
    x = 1,954,742.62/1,729.01
  6. Step 6: Final answer
    x = 1,130.56

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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.