Home / 3,822.33-5,730.42-2,179.65

Finding the Fourth Proportional to 3,822.33, 5,730.42 and 2,179.65

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Solution

The fourth proportional to 3,822.33, 5,730.42 and 2,179.65 is: 3,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.33 : 5,730.42 = 2,179.65 : x
  2. Step 2: Convert to fraction form
    3,822.33/5,730.42 = 2,179.65/x
  3. Step 3: Cross multiply
    3,822.33x = 5,730.42 × 2,179.65
  4. Step 4: Simplify right side
    3,822.33x = 12,490,309.95
  5. Step 5: Solve for x
    x = 12,490,309.95/3,822.33
  6. Step 6: Final answer
    x = 3,267.72

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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.