Home / 3,895.15-5,375.62-2,217.07

Finding the Fourth Proportional to 3,895.15, 5,375.62 and 2,217.07

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Solution

The fourth proportional to 3,895.15, 5,375.62 and 2,217.07 is: 3,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.15 : 5,375.62 = 2,217.07 : x
  2. Step 2: Convert to fraction form
    3,895.15/5,375.62 = 2,217.07/x
  3. Step 3: Cross multiply
    3,895.15x = 5,375.62 × 2,217.07
  4. Step 4: Simplify right side
    3,895.15x = 11,918,125.83
  5. Step 5: Solve for x
    x = 11,918,125.83/3,895.15
  6. Step 6: Final answer
    x = 3,059.73

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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.