Home / 3,174.50-4,380.82-1,777.26

Finding the Fourth Proportional to 3,174.50, 4,380.82 and 1,777.26

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Solution

The fourth proportional to 3,174.50, 4,380.82 and 1,777.26 is: 2,452.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.50 : 4,380.82 = 1,777.26 : x
  2. Step 2: Convert to fraction form
    3,174.50/4,380.82 = 1,777.26/x
  3. Step 3: Cross multiply
    3,174.50x = 4,380.82 × 1,777.26
  4. Step 4: Simplify right side
    3,174.50x = 7,785,856.15
  5. Step 5: Solve for x
    x = 7,785,856.15/3,174.50
  6. Step 6: Final answer
    x = 2,452.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.