Home / 2,818.29-4,227.53-969.39

Finding the Fourth Proportional to 2,818.29, 4,227.53 and 969.39

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Solution

The fourth proportional to 2,818.29, 4,227.53 and 969.39 is: 1,454.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.29 : 4,227.53 = 969.39 : x
  2. Step 2: Convert to fraction form
    2,818.29/4,227.53 = 969.39/x
  3. Step 3: Cross multiply
    2,818.29x = 4,227.53 × 969.39
  4. Step 4: Simplify right side
    2,818.29x = 4,098,125.31
  5. Step 5: Solve for x
    x = 4,098,125.31/2,818.29
  6. Step 6: Final answer
    x = 1,454.12

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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.