Home / 2,822.91-3,895.11-1,627.62

Finding the Fourth Proportional to 2,822.91, 3,895.11 and 1,627.62

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Solution

The fourth proportional to 2,822.91, 3,895.11 and 1,627.62 is: 2,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.91 : 3,895.11 = 1,627.62 : x
  2. Step 2: Convert to fraction form
    2,822.91/3,895.11 = 1,627.62/x
  3. Step 3: Cross multiply
    2,822.91x = 3,895.11 × 1,627.62
  4. Step 4: Simplify right side
    2,822.91x = 6,339,758.94
  5. Step 5: Solve for x
    x = 6,339,758.94/2,822.91
  6. Step 6: Final answer
    x = 2,245.82

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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.