Home / 3,789.36-5,685.39-1,940.94

Finding the Fourth Proportional to 3,789.36, 5,685.39 and 1,940.94

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Solution

The fourth proportional to 3,789.36, 5,685.39 and 1,940.94 is: 2,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.36 : 5,685.39 = 1,940.94 : x
  2. Step 2: Convert to fraction form
    3,789.36/5,685.39 = 1,940.94/x
  3. Step 3: Cross multiply
    3,789.36x = 5,685.39 × 1,940.94
  4. Step 4: Simplify right side
    3,789.36x = 11,035,000.87
  5. Step 5: Solve for x
    x = 11,035,000.87/3,789.36
  6. Step 6: Final answer
    x = 2,912.10

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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.