Home / 3,260.98-4,891.88-1,069.12

Finding the Fourth Proportional to 3,260.98, 4,891.88 and 1,069.12

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Solution

The fourth proportional to 3,260.98, 4,891.88 and 1,069.12 is: 1,603.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.98 : 4,891.88 = 1,069.12 : x
  2. Step 2: Convert to fraction form
    3,260.98/4,891.88 = 1,069.12/x
  3. Step 3: Cross multiply
    3,260.98x = 4,891.88 × 1,069.12
  4. Step 4: Simplify right side
    3,260.98x = 5,230,006.75
  5. Step 5: Solve for x
    x = 5,230,006.75/3,260.98
  6. Step 6: Final answer
    x = 1,603.81

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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.