Home / 3,227.20-4,841.06-1,378.35

Finding the Fourth Proportional to 3,227.20, 4,841.06 and 1,378.35

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Solution

The fourth proportional to 3,227.20, 4,841.06 and 1,378.35 is: 2,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.20 : 4,841.06 = 1,378.35 : x
  2. Step 2: Convert to fraction form
    3,227.20/4,841.06 = 1,378.35/x
  3. Step 3: Cross multiply
    3,227.20x = 4,841.06 × 1,378.35
  4. Step 4: Simplify right side
    3,227.20x = 6,672,675.05
  5. Step 5: Solve for x
    x = 6,672,675.05/3,227.20
  6. Step 6: Final answer
    x = 2,067.64

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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.