Home / 3,261.25-4,891.88-1,069.93

Finding the Fourth Proportional to 3,261.25, 4,891.88 and 1,069.93

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Solution

The fourth proportional to 3,261.25, 4,891.88 and 1,069.93 is: 1,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.25 : 4,891.88 = 1,069.93 : x
  2. Step 2: Convert to fraction form
    3,261.25/4,891.88 = 1,069.93/x
  3. Step 3: Cross multiply
    3,261.25x = 4,891.88 × 1,069.93
  4. Step 4: Simplify right side
    3,261.25x = 5,233,969.17
  5. Step 5: Solve for x
    x = 5,233,969.17/3,261.25
  6. Step 6: Final answer
    x = 1,604.90

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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.