Home / 3,806.86-5,695.92-2,247.70

Finding the Fourth Proportional to 3,806.86, 5,695.92 and 2,247.70

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Solution

The fourth proportional to 3,806.86, 5,695.92 and 2,247.70 is: 3,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.86 : 5,695.92 = 2,247.70 : x
  2. Step 2: Convert to fraction form
    3,806.86/5,695.92 = 2,247.70/x
  3. Step 3: Cross multiply
    3,806.86x = 5,695.92 × 2,247.70
  4. Step 4: Simplify right side
    3,806.86x = 12,802,719.38
  5. Step 5: Solve for x
    x = 12,802,719.38/3,806.86
  6. Step 6: Final answer
    x = 3,363.07

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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.