Home / 3,519.22-5,278.97-1,571.44

Finding the Fourth Proportional to 3,519.22, 5,278.97 and 1,571.44

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Solution

The fourth proportional to 3,519.22, 5,278.97 and 1,571.44 is: 2,357.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.22 : 5,278.97 = 1,571.44 : x
  2. Step 2: Convert to fraction form
    3,519.22/5,278.97 = 1,571.44/x
  3. Step 3: Cross multiply
    3,519.22x = 5,278.97 × 1,571.44
  4. Step 4: Simplify right side
    3,519.22x = 8,295,576.76
  5. Step 5: Solve for x
    x = 8,295,576.76/3,519.22
  6. Step 6: Final answer
    x = 2,357.22

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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.