Home / 2,174.24-3,000.45-1,179.55

Finding the Fourth Proportional to 2,174.24, 3,000.45 and 1,179.55

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Solution

The fourth proportional to 2,174.24, 3,000.45 and 1,179.55 is: 1,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.24 : 3,000.45 = 1,179.55 : x
  2. Step 2: Convert to fraction form
    2,174.24/3,000.45 = 1,179.55/x
  3. Step 3: Cross multiply
    2,174.24x = 3,000.45 × 1,179.55
  4. Step 4: Simplify right side
    2,174.24x = 3,539,188.97
  5. Step 5: Solve for x
    x = 3,539,188.97/2,174.24
  6. Step 6: Final answer
    x = 1,627.78

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