Home / 3,186.26-4,775.94-1,338.38

Finding the Fourth Proportional to 3,186.26, 4,775.94 and 1,338.38

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Solution

The fourth proportional to 3,186.26, 4,775.94 and 1,338.38 is: 2,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.26 : 4,775.94 = 1,338.38 : x
  2. Step 2: Convert to fraction form
    3,186.26/4,775.94 = 1,338.38/x
  3. Step 3: Cross multiply
    3,186.26x = 4,775.94 × 1,338.38
  4. Step 4: Simplify right side
    3,186.26x = 6,391,998.70
  5. Step 5: Solve for x
    x = 6,391,998.70/3,186.26
  6. Step 6: Final answer
    x = 2,006.12

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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.