Home / 3,226.76-4,836.55-1,379.42

Finding the Fourth Proportional to 3,226.76, 4,836.55 and 1,379.42

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Solution

The fourth proportional to 3,226.76, 4,836.55 and 1,379.42 is: 2,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.76 : 4,836.55 = 1,379.42 : x
  2. Step 2: Convert to fraction form
    3,226.76/4,836.55 = 1,379.42/x
  3. Step 3: Cross multiply
    3,226.76x = 4,836.55 × 1,379.42
  4. Step 4: Simplify right side
    3,226.76x = 6,671,633.80
  5. Step 5: Solve for x
    x = 6,671,633.80/3,226.76
  6. Step 6: Final answer
    x = 2,067.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.