Home / 3,944.18-5,438.13-3,195.38

Finding the Fourth Proportional to 3,944.18, 5,438.13 and 3,195.38

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Solution

The fourth proportional to 3,944.18, 5,438.13 and 3,195.38 is: 4,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.18 : 5,438.13 = 3,195.38 : x
  2. Step 2: Convert to fraction form
    3,944.18/5,438.13 = 3,195.38/x
  3. Step 3: Cross multiply
    3,944.18x = 5,438.13 × 3,195.38
  4. Step 4: Simplify right side
    3,944.18x = 17,376,891.84
  5. Step 5: Solve for x
    x = 17,376,891.84/3,944.18
  6. Step 6: Final answer
    x = 4,405.70

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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.