Home / 3,067.74-4,234.03-1,808.72

Finding the Fourth Proportional to 3,067.74, 4,234.03 and 1,808.72

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Solution

The fourth proportional to 3,067.74, 4,234.03 and 1,808.72 is: 2,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.74 : 4,234.03 = 1,808.72 : x
  2. Step 2: Convert to fraction form
    3,067.74/4,234.03 = 1,808.72/x
  3. Step 3: Cross multiply
    3,067.74x = 4,234.03 × 1,808.72
  4. Step 4: Simplify right side
    3,067.74x = 7,658,149.05
  5. Step 5: Solve for x
    x = 7,658,149.05/3,067.74
  6. Step 6: Final answer
    x = 2,496.35

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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.