Home / 3,479.14-5,217.90-1,628.49

Finding the Fourth Proportional to 3,479.14, 5,217.90 and 1,628.49

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Solution

The fourth proportional to 3,479.14, 5,217.90 and 1,628.49 is: 2,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.14 : 5,217.90 = 1,628.49 : x
  2. Step 2: Convert to fraction form
    3,479.14/5,217.90 = 1,628.49/x
  3. Step 3: Cross multiply
    3,479.14x = 5,217.90 × 1,628.49
  4. Step 4: Simplify right side
    3,479.14x = 8,497,297.97
  5. Step 5: Solve for x
    x = 8,497,297.97/3,479.14
  6. Step 6: Final answer
    x = 2,442.36

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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.