Home / 3,963.45-5,940.01-2,208.38

Finding the Fourth Proportional to 3,963.45, 5,940.01 and 2,208.38

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Solution

The fourth proportional to 3,963.45, 5,940.01 and 2,208.38 is: 3,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.45 : 5,940.01 = 2,208.38 : x
  2. Step 2: Convert to fraction form
    3,963.45/5,940.01 = 2,208.38/x
  3. Step 3: Cross multiply
    3,963.45x = 5,940.01 × 2,208.38
  4. Step 4: Simplify right side
    3,963.45x = 13,117,814.13
  5. Step 5: Solve for x
    x = 13,117,814.13/3,963.45
  6. Step 6: Final answer
    x = 3,309.70

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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.