Home / 3,895.60-5,375.96-2,217.13

Finding the Fourth Proportional to 3,895.60, 5,375.96 and 2,217.13

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Solution

The fourth proportional to 3,895.60, 5,375.96 and 2,217.13 is: 3,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.60 : 5,375.96 = 2,217.13 : x
  2. Step 2: Convert to fraction form
    3,895.60/5,375.96 = 2,217.13/x
  3. Step 3: Cross multiply
    3,895.60x = 5,375.96 × 2,217.13
  4. Step 4: Simplify right side
    3,895.60x = 11,919,220.67
  5. Step 5: Solve for x
    x = 11,919,220.67/3,895.60
  6. Step 6: Final answer
    x = 3,059.66

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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.