Home / 2,766.72-4,150.36-1,305.48

Finding the Fourth Proportional to 2,766.72, 4,150.36 and 1,305.48

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Solution

The fourth proportional to 2,766.72, 4,150.36 and 1,305.48 is: 1,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.72 : 4,150.36 = 1,305.48 : x
  2. Step 2: Convert to fraction form
    2,766.72/4,150.36 = 1,305.48/x
  3. Step 3: Cross multiply
    2,766.72x = 4,150.36 × 1,305.48
  4. Step 4: Simplify right side
    2,766.72x = 5,418,211.97
  5. Step 5: Solve for x
    x = 5,418,211.97/2,766.72
  6. Step 6: Final answer
    x = 1,958.35

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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.