Home / 2,174.64-3,260.76-1,132.04

Finding the Fourth Proportional to 2,174.64, 3,260.76 and 1,132.04

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Solution

The fourth proportional to 2,174.64, 3,260.76 and 1,132.04 is: 1,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.64 : 3,260.76 = 1,132.04 : x
  2. Step 2: Convert to fraction form
    2,174.64/3,260.76 = 1,132.04/x
  3. Step 3: Cross multiply
    2,174.64x = 3,260.76 × 1,132.04
  4. Step 4: Simplify right side
    2,174.64x = 3,691,310.75
  5. Step 5: Solve for x
    x = 3,691,310.75/2,174.64
  6. Step 6: Final answer
    x = 1,697.44

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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.