Home / 3,399.19-5,098.79-2,165.36

Finding the Fourth Proportional to 3,399.19, 5,098.79 and 2,165.36

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Solution

The fourth proportional to 3,399.19, 5,098.79 and 2,165.36 is: 3,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.19 : 5,098.79 = 2,165.36 : x
  2. Step 2: Convert to fraction form
    3,399.19/5,098.79 = 2,165.36/x
  3. Step 3: Cross multiply
    3,399.19x = 5,098.79 × 2,165.36
  4. Step 4: Simplify right side
    3,399.19x = 11,040,694.95
  5. Step 5: Solve for x
    x = 11,040,694.95/3,399.19
  6. Step 6: Final answer
    x = 3,248.04

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1.5x scale

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.