Home / 3,479.14-4,772.62-3,290.83

Finding the Fourth Proportional to 3,479.14, 4,772.62 and 3,290.83

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Solution

The fourth proportional to 3,479.14, 4,772.62 and 3,290.83 is: 4,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.14 : 4,772.62 = 3,290.83 : x
  2. Step 2: Convert to fraction form
    3,479.14/4,772.62 = 3,290.83/x
  3. Step 3: Cross multiply
    3,479.14x = 4,772.62 × 3,290.83
  4. Step 4: Simplify right side
    3,479.14x = 15,705,872.85
  5. Step 5: Solve for x
    x = 15,705,872.85/3,479.14
  6. Step 6: Final answer
    x = 4,514.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.