Home / 2,822.32-4,234.50-1,262.20

Finding the Fourth Proportional to 2,822.32, 4,234.50 and 1,262.20

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Solution

The fourth proportional to 2,822.32, 4,234.50 and 1,262.20 is: 1,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.32 : 4,234.50 = 1,262.20 : x
  2. Step 2: Convert to fraction form
    2,822.32/4,234.50 = 1,262.20/x
  3. Step 3: Cross multiply
    2,822.32x = 4,234.50 × 1,262.20
  4. Step 4: Simplify right side
    2,822.32x = 5,344,785.90
  5. Step 5: Solve for x
    x = 5,344,785.90/2,822.32
  6. Step 6: Final answer
    x = 1,893.76

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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.