Home / 3,227.10-4,841.10-1,378.20

Finding the Fourth Proportional to 3,227.10, 4,841.10 and 1,378.20

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Solution

The fourth proportional to 3,227.10, 4,841.10 and 1,378.20 is: 2,067.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.10 : 4,841.10 = 1,378.20 : x
  2. Step 2: Convert to fraction form
    3,227.10/4,841.10 = 1,378.20/x
  3. Step 3: Cross multiply
    3,227.10x = 4,841.10 × 1,378.20
  4. Step 4: Simplify right side
    3,227.10x = 6,672,004.02
  5. Step 5: Solve for x
    x = 6,672,004.02/3,227.10
  6. Step 6: Final answer
    x = 2,067.49

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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.