Home / 3,351.60-5,027.40-3,286.80

Finding the Fourth Proportional to 3,351.60, 5,027.40 and 3,286.80

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Solution

The fourth proportional to 3,351.60, 5,027.40 and 3,286.80 is: 4,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.60 : 5,027.40 = 3,286.80 : x
  2. Step 2: Convert to fraction form
    3,351.60/5,027.40 = 3,286.80/x
  3. Step 3: Cross multiply
    3,351.60x = 5,027.40 × 3,286.80
  4. Step 4: Simplify right side
    3,351.60x = 16,524,058.32
  5. Step 5: Solve for x
    x = 16,524,058.32/3,351.60
  6. Step 6: Final answer
    x = 4,930.20

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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.