Home / 3,278.27-4,525.68-2,221.62

Finding the Fourth Proportional to 3,278.27, 4,525.68 and 2,221.62

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Solution

The fourth proportional to 3,278.27, 4,525.68 and 2,221.62 is: 3,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.27 : 4,525.68 = 2,221.62 : x
  2. Step 2: Convert to fraction form
    3,278.27/4,525.68 = 2,221.62/x
  3. Step 3: Cross multiply
    3,278.27x = 4,525.68 × 2,221.62
  4. Step 4: Simplify right side
    3,278.27x = 10,054,332.56
  5. Step 5: Solve for x
    x = 10,054,332.56/3,278.27
  6. Step 6: Final answer
    x = 3,066.97

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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.