Home / 3,221.91-4,823.75-2,048.96

Finding the Fourth Proportional to 3,221.91, 4,823.75 and 2,048.96

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Solution

The fourth proportional to 3,221.91, 4,823.75 and 2,048.96 is: 3,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.91 : 4,823.75 = 2,048.96 : x
  2. Step 2: Convert to fraction form
    3,221.91/4,823.75 = 2,048.96/x
  3. Step 3: Cross multiply
    3,221.91x = 4,823.75 × 2,048.96
  4. Step 4: Simplify right side
    3,221.91x = 9,883,687.98
  5. Step 5: Solve for x
    x = 9,883,687.98/3,221.91
  6. Step 6: Final answer
    x = 3,067.65

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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.