Home / 3,628.75-5,443.81-1,163.36

Finding the Fourth Proportional to 3,628.75, 5,443.81 and 1,163.36

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Solution

The fourth proportional to 3,628.75, 5,443.81 and 1,163.36 is: 1,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.75 : 5,443.81 = 1,163.36 : x
  2. Step 2: Convert to fraction form
    3,628.75/5,443.81 = 1,163.36/x
  3. Step 3: Cross multiply
    3,628.75x = 5,443.81 × 1,163.36
  4. Step 4: Simplify right side
    3,628.75x = 6,333,121.50
  5. Step 5: Solve for x
    x = 6,333,121.50/3,628.75
  6. Step 6: Final answer
    x = 1,745.26

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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.