Home / 3,266.32-4,899.66-2,119.36

Finding the Fourth Proportional to 3,266.32, 4,899.66 and 2,119.36

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Solution

The fourth proportional to 3,266.32, 4,899.66 and 2,119.36 is: 3,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.32 : 4,899.66 = 2,119.36 : x
  2. Step 2: Convert to fraction form
    3,266.32/4,899.66 = 2,119.36/x
  3. Step 3: Cross multiply
    3,266.32x = 4,899.66 × 2,119.36
  4. Step 4: Simplify right side
    3,266.32x = 10,384,143.42
  5. Step 5: Solve for x
    x = 10,384,143.42/3,266.32
  6. Step 6: Final answer
    x = 3,179.16

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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.