Home / 3,781.75-5,675.70-1,833.95

Finding the Fourth Proportional to 3,781.75, 5,675.70 and 1,833.95

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Solution

The fourth proportional to 3,781.75, 5,675.70 and 1,833.95 is: 2,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.75 : 5,675.70 = 1,833.95 : x
  2. Step 2: Convert to fraction form
    3,781.75/5,675.70 = 1,833.95/x
  3. Step 3: Cross multiply
    3,781.75x = 5,675.70 × 1,833.95
  4. Step 4: Simplify right side
    3,781.75x = 10,408,950.02
  5. Step 5: Solve for x
    x = 10,408,950.02/3,781.75
  6. Step 6: Final answer
    x = 2,752.42

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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.