Home / 3,279.39-4,524.12-2,216.77

Finding the Fourth Proportional to 3,279.39, 4,524.12 and 2,216.77

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Solution

The fourth proportional to 3,279.39, 4,524.12 and 2,216.77 is: 3,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.39 : 4,524.12 = 2,216.77 : x
  2. Step 2: Convert to fraction form
    3,279.39/4,524.12 = 2,216.77/x
  3. Step 3: Cross multiply
    3,279.39x = 4,524.12 × 2,216.77
  4. Step 4: Simplify right side
    3,279.39x = 10,028,933.49
  5. Step 5: Solve for x
    x = 10,028,933.49/3,279.39
  6. Step 6: Final answer
    x = 3,058.17

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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.