Home / 3,965.28-5,940.23-3,076.47

Finding the Fourth Proportional to 3,965.28, 5,940.23 and 3,076.47

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Solution

The fourth proportional to 3,965.28, 5,940.23 and 3,076.47 is: 4,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.28 : 5,940.23 = 3,076.47 : x
  2. Step 2: Convert to fraction form
    3,965.28/5,940.23 = 3,076.47/x
  3. Step 3: Cross multiply
    3,965.28x = 5,940.23 × 3,076.47
  4. Step 4: Simplify right side
    3,965.28x = 18,274,939.39
  5. Step 5: Solve for x
    x = 18,274,939.39/3,965.28
  6. Step 6: Final answer
    x = 4,608.74

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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.