Home / 3,519.56-4,859.20-2,261.12

Finding the Fourth Proportional to 3,519.56, 4,859.20 and 2,261.12

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Solution

The fourth proportional to 3,519.56, 4,859.20 and 2,261.12 is: 3,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.56 : 4,859.20 = 2,261.12 : x
  2. Step 2: Convert to fraction form
    3,519.56/4,859.20 = 2,261.12/x
  3. Step 3: Cross multiply
    3,519.56x = 4,859.20 × 2,261.12
  4. Step 4: Simplify right side
    3,519.56x = 10,987,234.30
  5. Step 5: Solve for x
    x = 10,987,234.30/3,519.56
  6. Step 6: Final answer
    x = 3,121.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.