Home / 3,986.28-5,968.08-2,601.18

Finding the Fourth Proportional to 3,986.28, 5,968.08 and 2,601.18

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Solution

The fourth proportional to 3,986.28, 5,968.08 and 2,601.18 is: 3,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.28 : 5,968.08 = 2,601.18 : x
  2. Step 2: Convert to fraction form
    3,986.28/5,968.08 = 2,601.18/x
  3. Step 3: Cross multiply
    3,986.28x = 5,968.08 × 2,601.18
  4. Step 4: Simplify right side
    3,986.28x = 15,524,050.33
  5. Step 5: Solve for x
    x = 15,524,050.33/3,986.28
  6. Step 6: Final answer
    x = 3,894.37

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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.