Home / 3,639.82-5,446.46-3,151.97

Finding the Fourth Proportional to 3,639.82, 5,446.46 and 3,151.97

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Solution

The fourth proportional to 3,639.82, 5,446.46 and 3,151.97 is: 4,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.82 : 5,446.46 = 3,151.97 : x
  2. Step 2: Convert to fraction form
    3,639.82/5,446.46 = 3,151.97/x
  3. Step 3: Cross multiply
    3,639.82x = 5,446.46 × 3,151.97
  4. Step 4: Simplify right side
    3,639.82x = 17,167,093.43
  5. Step 5: Solve for x
    x = 17,167,093.43/3,639.82
  6. Step 6: Final answer
    x = 4,716.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.