Home / 3,935.44-5,906.76-2,205.28

Finding the Fourth Proportional to 3,935.44, 5,906.76 and 2,205.28

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Solution

The fourth proportional to 3,935.44, 5,906.76 and 2,205.28 is: 3,309.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.44 : 5,906.76 = 2,205.28 : x
  2. Step 2: Convert to fraction form
    3,935.44/5,906.76 = 2,205.28/x
  3. Step 3: Cross multiply
    3,935.44x = 5,906.76 × 2,205.28
  4. Step 4: Simplify right side
    3,935.44x = 13,026,059.69
  5. Step 5: Solve for x
    x = 13,026,059.69/3,935.44
  6. Step 6: Final answer
    x = 3,309.94

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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.