Home / 3,261.45-4,891.13-1,069.66

Finding the Fourth Proportional to 3,261.45, 4,891.13 and 1,069.66

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Solution

The fourth proportional to 3,261.45, 4,891.13 and 1,069.66 is: 1,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.45 : 4,891.13 = 1,069.66 : x
  2. Step 2: Convert to fraction form
    3,261.45/4,891.13 = 1,069.66/x
  3. Step 3: Cross multiply
    3,261.45x = 4,891.13 × 1,069.66
  4. Step 4: Simplify right side
    3,261.45x = 5,231,846.12
  5. Step 5: Solve for x
    x = 5,231,846.12/3,261.45
  6. Step 6: Final answer
    x = 1,604.15

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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.