Home / 3,226.62-4,454.86-2,479.20

Finding the Fourth Proportional to 3,226.62, 4,454.86 and 2,479.20

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Solution

The fourth proportional to 3,226.62, 4,454.86 and 2,479.20 is: 3,422.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.62 : 4,454.86 = 2,479.20 : x
  2. Step 2: Convert to fraction form
    3,226.62/4,454.86 = 2,479.20/x
  3. Step 3: Cross multiply
    3,226.62x = 4,454.86 × 2,479.20
  4. Step 4: Simplify right side
    3,226.62x = 11,044,488.91
  5. Step 5: Solve for x
    x = 11,044,488.91/3,226.62
  6. Step 6: Final answer
    x = 3,422.93

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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.