Home / 3,930.75-5,896.94-1,622.25

Finding the Fourth Proportional to 3,930.75, 5,896.94 and 1,622.25

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Solution

The fourth proportional to 3,930.75, 5,896.94 and 1,622.25 is: 2,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.75 : 5,896.94 = 1,622.25 : x
  2. Step 2: Convert to fraction form
    3,930.75/5,896.94 = 1,622.25/x
  3. Step 3: Cross multiply
    3,930.75x = 5,896.94 × 1,622.25
  4. Step 4: Simplify right side
    3,930.75x = 9,566,302.80
  5. Step 5: Solve for x
    x = 9,566,302.80/3,930.75
  6. Step 6: Final answer
    x = 2,433.71

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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.