Home / 2,976.75-4,107.92-1,650.66

Finding the Fourth Proportional to 2,976.75, 4,107.92 and 1,650.66

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Solution

The fourth proportional to 2,976.75, 4,107.92 and 1,650.66 is: 2,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.75 : 4,107.92 = 1,650.66 : x
  2. Step 2: Convert to fraction form
    2,976.75/4,107.92 = 1,650.66/x
  3. Step 3: Cross multiply
    2,976.75x = 4,107.92 × 1,650.66
  4. Step 4: Simplify right side
    2,976.75x = 6,780,770.97
  5. Step 5: Solve for x
    x = 6,780,770.97/2,976.75
  6. Step 6: Final answer
    x = 2,277.91

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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.