Home / 3,975.44-5,960.84-2,660.69

Finding the Fourth Proportional to 3,975.44, 5,960.84 and 2,660.69

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Solution

The fourth proportional to 3,975.44, 5,960.84 and 2,660.69 is: 3,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.44 : 5,960.84 = 2,660.69 : x
  2. Step 2: Convert to fraction form
    3,975.44/5,960.84 = 2,660.69/x
  3. Step 3: Cross multiply
    3,975.44x = 5,960.84 × 2,660.69
  4. Step 4: Simplify right side
    3,975.44x = 15,859,904.27
  5. Step 5: Solve for x
    x = 15,859,904.27/3,975.44
  6. Step 6: Final answer
    x = 3,989.48

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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.