Home / 3,628.39-5,442.48-1,163.38

Finding the Fourth Proportional to 3,628.39, 5,442.48 and 1,163.38

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Solution

The fourth proportional to 3,628.39, 5,442.48 and 1,163.38 is: 1,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.39 : 5,442.48 = 1,163.38 : x
  2. Step 2: Convert to fraction form
    3,628.39/5,442.48 = 1,163.38/x
  3. Step 3: Cross multiply
    3,628.39x = 5,442.48 × 1,163.38
  4. Step 4: Simplify right side
    3,628.39x = 6,331,672.38
  5. Step 5: Solve for x
    x = 6,331,672.38/3,628.39
  6. Step 6: Final answer
    x = 1,745.04

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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.