Home / 3,228.88-4,843.24-2,172.28

Finding the Fourth Proportional to 3,228.88, 4,843.24 and 2,172.28

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Solution

The fourth proportional to 3,228.88, 4,843.24 and 2,172.28 is: 3,258.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.88 : 4,843.24 = 2,172.28 : x
  2. Step 2: Convert to fraction form
    3,228.88/4,843.24 = 2,172.28/x
  3. Step 3: Cross multiply
    3,228.88x = 4,843.24 × 2,172.28
  4. Step 4: Simplify right side
    3,228.88x = 10,520,873.39
  5. Step 5: Solve for x
    x = 10,520,873.39/3,228.88
  6. Step 6: Final answer
    x = 3,258.37

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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.