Home / 3,271.29-4,906.41-2,719.55

Finding the Fourth Proportional to 3,271.29, 4,906.41 and 2,719.55

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Solution

The fourth proportional to 3,271.29, 4,906.41 and 2,719.55 is: 4,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.29 : 4,906.41 = 2,719.55 : x
  2. Step 2: Convert to fraction form
    3,271.29/4,906.41 = 2,719.55/x
  3. Step 3: Cross multiply
    3,271.29x = 4,906.41 × 2,719.55
  4. Step 4: Simplify right side
    3,271.29x = 13,343,202.78
  5. Step 5: Solve for x
    x = 13,343,202.78/3,271.29
  6. Step 6: Final answer
    x = 4,078.88

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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.