Home / 3,296.95-4,550.85-2,178.88

Finding the Fourth Proportional to 3,296.95, 4,550.85 and 2,178.88

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Solution

The fourth proportional to 3,296.95, 4,550.85 and 2,178.88 is: 3,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.95 : 4,550.85 = 2,178.88 : x
  2. Step 2: Convert to fraction form
    3,296.95/4,550.85 = 2,178.88/x
  3. Step 3: Cross multiply
    3,296.95x = 4,550.85 × 2,178.88
  4. Step 4: Simplify right side
    3,296.95x = 9,915,756.05
  5. Step 5: Solve for x
    x = 9,915,756.05/3,296.95
  6. Step 6: Final answer
    x = 3,007.55

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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.