Home / 3,211.91-4,818.11-1,362.82

Finding the Fourth Proportional to 3,211.91, 4,818.11 and 1,362.82

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Solution

The fourth proportional to 3,211.91, 4,818.11 and 1,362.82 is: 2,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.91 : 4,818.11 = 1,362.82 : x
  2. Step 2: Convert to fraction form
    3,211.91/4,818.11 = 1,362.82/x
  3. Step 3: Cross multiply
    3,211.91x = 4,818.11 × 1,362.82
  4. Step 4: Simplify right side
    3,211.91x = 6,566,197.81
  5. Step 5: Solve for x
    x = 6,566,197.81/3,211.91
  6. Step 6: Final answer
    x = 2,044.33

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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.