Home / 3,340.71-5,010.66-1,391.85

Finding the Fourth Proportional to 3,340.71, 5,010.66 and 1,391.85

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Solution

The fourth proportional to 3,340.71, 5,010.66 and 1,391.85 is: 2,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.71 : 5,010.66 = 1,391.85 : x
  2. Step 2: Convert to fraction form
    3,340.71/5,010.66 = 1,391.85/x
  3. Step 3: Cross multiply
    3,340.71x = 5,010.66 × 1,391.85
  4. Step 4: Simplify right side
    3,340.71x = 6,974,087.12
  5. Step 5: Solve for x
    x = 6,974,087.12/3,340.71
  6. Step 6: Final answer
    x = 2,087.61

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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.