Home / 2,976.88-4,456.06-2,197.75

Finding the Fourth Proportional to 2,976.88, 4,456.06 and 2,197.75

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Solution

The fourth proportional to 2,976.88, 4,456.06 and 2,197.75 is: 3,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.88 : 4,456.06 = 2,197.75 : x
  2. Step 2: Convert to fraction form
    2,976.88/4,456.06 = 2,197.75/x
  3. Step 3: Cross multiply
    2,976.88x = 4,456.06 × 2,197.75
  4. Step 4: Simplify right side
    2,976.88x = 9,793,305.87
  5. Step 5: Solve for x
    x = 9,793,305.87/2,976.88
  6. Step 6: Final answer
    x = 3,289.79

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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.