Home / 3,635.43-5,016.85-2,218.81

Finding the Fourth Proportional to 3,635.43, 5,016.85 and 2,218.81

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Solution

The fourth proportional to 3,635.43, 5,016.85 and 2,218.81 is: 3,061.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.43 : 5,016.85 = 2,218.81 : x
  2. Step 2: Convert to fraction form
    3,635.43/5,016.85 = 2,218.81/x
  3. Step 3: Cross multiply
    3,635.43x = 5,016.85 × 2,218.81
  4. Step 4: Simplify right side
    3,635.43x = 11,131,436.95
  5. Step 5: Solve for x
    x = 11,131,436.95/3,635.43
  6. Step 6: Final answer
    x = 3,061.93

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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.