Home / 3,812.23-5,249.35-3,067.39

Finding the Fourth Proportional to 3,812.23, 5,249.35 and 3,067.39

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Solution

The fourth proportional to 3,812.23, 5,249.35 and 3,067.39 is: 4,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.23 : 5,249.35 = 3,067.39 : x
  2. Step 2: Convert to fraction form
    3,812.23/5,249.35 = 3,067.39/x
  3. Step 3: Cross multiply
    3,812.23x = 5,249.35 × 3,067.39
  4. Step 4: Simplify right side
    3,812.23x = 16,101,803.70
  5. Step 5: Solve for x
    x = 16,101,803.70/3,812.23
  6. Step 6: Final answer
    x = 4,223.72

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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.