Home / 2,766.24-4,149.20-1,670.31

Finding the Fourth Proportional to 2,766.24, 4,149.20 and 1,670.31

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Solution

The fourth proportional to 2,766.24, 4,149.20 and 1,670.31 is: 2,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.24 : 4,149.20 = 1,670.31 : x
  2. Step 2: Convert to fraction form
    2,766.24/4,149.20 = 1,670.31/x
  3. Step 3: Cross multiply
    2,766.24x = 4,149.20 × 1,670.31
  4. Step 4: Simplify right side
    2,766.24x = 6,930,441.90
  5. Step 5: Solve for x
    x = 6,930,441.90/2,766.24
  6. Step 6: Final answer
    x = 2,505.37

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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.