Home / 3,830.39-5,745.33-1,161.92

Finding the Fourth Proportional to 3,830.39, 5,745.33 and 1,161.92

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Solution

The fourth proportional to 3,830.39, 5,745.33 and 1,161.92 is: 1,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.39 : 5,745.33 = 1,161.92 : x
  2. Step 2: Convert to fraction form
    3,830.39/5,745.33 = 1,161.92/x
  3. Step 3: Cross multiply
    3,830.39x = 5,745.33 × 1,161.92
  4. Step 4: Simplify right side
    3,830.39x = 6,675,585.11
  5. Step 5: Solve for x
    x = 6,675,585.11/3,830.39
  6. Step 6: Final answer
    x = 1,742.80

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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.