Home / 2,134.23-3,201.52-747.53

Finding the Fourth Proportional to 2,134.23, 3,201.52 and 747.53

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Solution

The fourth proportional to 2,134.23, 3,201.52 and 747.53 is: 1,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.23 : 3,201.52 = 747.53 : x
  2. Step 2: Convert to fraction form
    2,134.23/3,201.52 = 747.53/x
  3. Step 3: Cross multiply
    2,134.23x = 3,201.52 × 747.53
  4. Step 4: Simplify right side
    2,134.23x = 2,393,232.25
  5. Step 5: Solve for x
    x = 2,393,232.25/2,134.23
  6. Step 6: Final answer
    x = 1,121.36

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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.