Home / 3,261.18-4,891.34-1,069.86

Finding the Fourth Proportional to 3,261.18, 4,891.34 and 1,069.86

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Solution

The fourth proportional to 3,261.18, 4,891.34 and 1,069.86 is: 1,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.18 : 4,891.34 = 1,069.86 : x
  2. Step 2: Convert to fraction form
    3,261.18/4,891.34 = 1,069.86/x
  3. Step 3: Cross multiply
    3,261.18x = 4,891.34 × 1,069.86
  4. Step 4: Simplify right side
    3,261.18x = 5,233,049.01
  5. Step 5: Solve for x
    x = 5,233,049.01/3,261.18
  6. Step 6: Final answer
    x = 1,604.65

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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.