Home / 3,896.43-5,377.41-2,217.47

Finding the Fourth Proportional to 3,896.43, 5,377.41 and 2,217.47

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Solution

The fourth proportional to 3,896.43, 5,377.41 and 2,217.47 is: 3,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.43 : 5,377.41 = 2,217.47 : x
  2. Step 2: Convert to fraction form
    3,896.43/5,377.41 = 2,217.47/x
  3. Step 3: Cross multiply
    3,896.43x = 5,377.41 × 2,217.47
  4. Step 4: Simplify right side
    3,896.43x = 11,924,258.80
  5. Step 5: Solve for x
    x = 11,924,258.80/3,896.43
  6. Step 6: Final answer
    x = 3,060.30

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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.