Home / 3,381.21-5,067.23-1,901.61

Finding the Fourth Proportional to 3,381.21, 5,067.23 and 1,901.61

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Solution

The fourth proportional to 3,381.21, 5,067.23 and 1,901.61 is: 2,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.21 : 5,067.23 = 1,901.61 : x
  2. Step 2: Convert to fraction form
    3,381.21/5,067.23 = 1,901.61/x
  3. Step 3: Cross multiply
    3,381.21x = 5,067.23 × 1,901.61
  4. Step 4: Simplify right side
    3,381.21x = 9,635,885.73
  5. Step 5: Solve for x
    x = 9,635,885.73/3,381.21
  6. Step 6: Final answer
    x = 2,849.83

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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.