Home / 2,822.30-4,233.45-2,663.90

Finding the Fourth Proportional to 2,822.30, 4,233.45 and 2,663.90

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Solution

The fourth proportional to 2,822.30, 4,233.45 and 2,663.90 is: 3,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.30 : 4,233.45 = 2,663.90 : x
  2. Step 2: Convert to fraction form
    2,822.30/4,233.45 = 2,663.90/x
  3. Step 3: Cross multiply
    2,822.30x = 4,233.45 × 2,663.90
  4. Step 4: Simplify right side
    2,822.30x = 11,277,487.46
  5. Step 5: Solve for x
    x = 11,277,487.46/2,822.30
  6. Step 6: Final answer
    x = 3,995.85

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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.