Home / 3,067.20-4,235.04-2,136.96

Finding the Fourth Proportional to 3,067.20, 4,235.04 and 2,136.96

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Solution

The fourth proportional to 3,067.20, 4,235.04 and 2,136.96 is: 2,950.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.20 : 4,235.04 = 2,136.96 : x
  2. Step 2: Convert to fraction form
    3,067.20/4,235.04 = 2,136.96/x
  3. Step 3: Cross multiply
    3,067.20x = 4,235.04 × 2,136.96
  4. Step 4: Simplify right side
    3,067.20x = 9,050,111.08
  5. Step 5: Solve for x
    x = 9,050,111.08/3,067.20
  6. Step 6: Final answer
    x = 2,950.61

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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.