Home / 3,896.27-5,376.66-2,217.44

Finding the Fourth Proportional to 3,896.27, 5,376.66 and 2,217.44

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Solution

The fourth proportional to 3,896.27, 5,376.66 and 2,217.44 is: 3,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.27 : 5,376.66 = 2,217.44 : x
  2. Step 2: Convert to fraction form
    3,896.27/5,376.66 = 2,217.44/x
  3. Step 3: Cross multiply
    3,896.27x = 5,376.66 × 2,217.44
  4. Step 4: Simplify right side
    3,896.27x = 11,922,394.07
  5. Step 5: Solve for x
    x = 11,922,394.07/3,896.27
  6. Step 6: Final answer
    x = 3,059.95

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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.