Home / 3,806.70-5,251.67-2,314.38

Finding the Fourth Proportional to 3,806.70, 5,251.67 and 2,314.38

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Solution

The fourth proportional to 3,806.70, 5,251.67 and 2,314.38 is: 3,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.70 : 5,251.67 = 2,314.38 : x
  2. Step 2: Convert to fraction form
    3,806.70/5,251.67 = 2,314.38/x
  3. Step 3: Cross multiply
    3,806.70x = 5,251.67 × 2,314.38
  4. Step 4: Simplify right side
    3,806.70x = 12,154,348.44
  5. Step 5: Solve for x
    x = 12,154,348.44/3,806.70
  6. Step 6: Final answer
    x = 3,192.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.