Home / 2,818.29-4,227.44-843.95

Finding the Fourth Proportional to 2,818.29, 4,227.44 and 843.95

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Solution

The fourth proportional to 2,818.29, 4,227.44 and 843.95 is: 1,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.29 : 4,227.44 = 843.95 : x
  2. Step 2: Convert to fraction form
    2,818.29/4,227.44 = 843.95/x
  3. Step 3: Cross multiply
    2,818.29x = 4,227.44 × 843.95
  4. Step 4: Simplify right side
    2,818.29x = 3,567,722.63
  5. Step 5: Solve for x
    x = 3,567,722.63/2,818.29
  6. Step 6: Final answer
    x = 1,265.92

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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.