Home / 3,355.12-5,032.68-1,163.85

Finding the Fourth Proportional to 3,355.12, 5,032.68 and 1,163.85

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Solution

The fourth proportional to 3,355.12, 5,032.68 and 1,163.85 is: 1,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.12 : 5,032.68 = 1,163.85 : x
  2. Step 2: Convert to fraction form
    3,355.12/5,032.68 = 1,163.85/x
  3. Step 3: Cross multiply
    3,355.12x = 5,032.68 × 1,163.85
  4. Step 4: Simplify right side
    3,355.12x = 5,857,284.62
  5. Step 5: Solve for x
    x = 5,857,284.62/3,355.12
  6. Step 6: Final answer
    x = 1,745.78

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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.