Home / 3,481.28-5,223.49-1,728.03

Finding the Fourth Proportional to 3,481.28, 5,223.49 and 1,728.03

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Solution

The fourth proportional to 3,481.28, 5,223.49 and 1,728.03 is: 2,592.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.28 : 5,223.49 = 1,728.03 : x
  2. Step 2: Convert to fraction form
    3,481.28/5,223.49 = 1,728.03/x
  3. Step 3: Cross multiply
    3,481.28x = 5,223.49 × 1,728.03
  4. Step 4: Simplify right side
    3,481.28x = 9,026,362.69
  5. Step 5: Solve for x
    x = 9,026,362.69/3,481.28
  6. Step 6: Final answer
    x = 2,592.83

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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.