Home / 3,895.16-5,375.62-2,217.08

Finding the Fourth Proportional to 3,895.16, 5,375.62 and 2,217.08

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Solution

The fourth proportional to 3,895.16, 5,375.62 and 2,217.08 is: 3,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.16 : 5,375.62 = 2,217.08 : x
  2. Step 2: Convert to fraction form
    3,895.16/5,375.62 = 2,217.08/x
  3. Step 3: Cross multiply
    3,895.16x = 5,375.62 × 2,217.08
  4. Step 4: Simplify right side
    3,895.16x = 11,918,179.59
  5. Step 5: Solve for x
    x = 11,918,179.59/3,895.16
  6. Step 6: Final answer
    x = 3,059.74

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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.