Home / 3,296.82-4,550.67-2,178.75

Finding the Fourth Proportional to 3,296.82, 4,550.67 and 2,178.75

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Solution

The fourth proportional to 3,296.82, 4,550.67 and 2,178.75 is: 3,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.82 : 4,550.67 = 2,178.75 : x
  2. Step 2: Convert to fraction form
    3,296.82/4,550.67 = 2,178.75/x
  3. Step 3: Cross multiply
    3,296.82x = 4,550.67 × 2,178.75
  4. Step 4: Simplify right side
    3,296.82x = 9,914,772.26
  5. Step 5: Solve for x
    x = 9,914,772.26/3,296.82
  6. Step 6: Final answer
    x = 3,007.37

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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.