Home / 3,479.14-5,211.99-2,163.42

Finding the Fourth Proportional to 3,479.14, 5,211.99 and 2,163.42

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Solution

The fourth proportional to 3,479.14, 5,211.99 and 2,163.42 is: 3,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.14 : 5,211.99 = 2,163.42 : x
  2. Step 2: Convert to fraction form
    3,479.14/5,211.99 = 2,163.42/x
  3. Step 3: Cross multiply
    3,479.14x = 5,211.99 × 2,163.42
  4. Step 4: Simplify right side
    3,479.14x = 11,275,721.44
  5. Step 5: Solve for x
    x = 11,275,721.44/3,479.14
  6. Step 6: Final answer
    x = 3,240.95

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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.