Home / 3,896.76-5,836.32-2,731.93

Finding the Fourth Proportional to 3,896.76, 5,836.32 and 2,731.93

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Solution

The fourth proportional to 3,896.76, 5,836.32 and 2,731.93 is: 4,091.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.76 : 5,836.32 = 2,731.93 : x
  2. Step 2: Convert to fraction form
    3,896.76/5,836.32 = 2,731.93/x
  3. Step 3: Cross multiply
    3,896.76x = 5,836.32 × 2,731.93
  4. Step 4: Simplify right side
    3,896.76x = 15,944,417.70
  5. Step 5: Solve for x
    x = 15,944,417.70/3,896.76
  6. Step 6: Final answer
    x = 4,091.71

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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.