Home / 3,863.62-5,790.57-2,770.12

Finding the Fourth Proportional to 3,863.62, 5,790.57 and 2,770.12

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Solution

The fourth proportional to 3,863.62, 5,790.57 and 2,770.12 is: 4,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.62 : 5,790.57 = 2,770.12 : x
  2. Step 2: Convert to fraction form
    3,863.62/5,790.57 = 2,770.12/x
  3. Step 3: Cross multiply
    3,863.62x = 5,790.57 × 2,770.12
  4. Step 4: Simplify right side
    3,863.62x = 16,040,573.77
  5. Step 5: Solve for x
    x = 16,040,573.77/3,863.62
  6. Step 6: Final answer
    x = 4,151.70

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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.