Home / 3,266.28-4,886.04-2,719.20

Finding the Fourth Proportional to 3,266.28, 4,886.04 and 2,719.20

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Solution

The fourth proportional to 3,266.28, 4,886.04 and 2,719.20 is: 4,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.28 : 4,886.04 = 2,719.20 : x
  2. Step 2: Convert to fraction form
    3,266.28/4,886.04 = 2,719.20/x
  3. Step 3: Cross multiply
    3,266.28x = 4,886.04 × 2,719.20
  4. Step 4: Simplify right side
    3,266.28x = 13,286,119.97
  5. Step 5: Solve for x
    x = 13,286,119.97/3,266.28
  6. Step 6: Final answer
    x = 4,067.66

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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.