Home / 3,944.84-5,438.48-3,382.83

Finding the Fourth Proportional to 3,944.84, 5,438.48 and 3,382.83

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Solution

The fourth proportional to 3,944.84, 5,438.48 and 3,382.83 is: 4,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.84 : 5,438.48 = 3,382.83 : x
  2. Step 2: Convert to fraction form
    3,944.84/5,438.48 = 3,382.83/x
  3. Step 3: Cross multiply
    3,944.84x = 5,438.48 × 3,382.83
  4. Step 4: Simplify right side
    3,944.84x = 18,397,436.38
  5. Step 5: Solve for x
    x = 18,397,436.38/3,944.84
  6. Step 6: Final answer
    x = 4,663.68

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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.