Home / 3,198.97-4,802.87-2,209.46

Finding the Fourth Proportional to 3,198.97, 4,802.87 and 2,209.46

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Solution

The fourth proportional to 3,198.97, 4,802.87 and 2,209.46 is: 3,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.97 : 4,802.87 = 2,209.46 : x
  2. Step 2: Convert to fraction form
    3,198.97/4,802.87 = 2,209.46/x
  3. Step 3: Cross multiply
    3,198.97x = 4,802.87 × 2,209.46
  4. Step 4: Simplify right side
    3,198.97x = 10,611,766.68
  5. Step 5: Solve for x
    x = 10,611,766.68/3,198.97
  6. Step 6: Final answer
    x = 3,317.24

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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.