Home / 3,288.12-4,933.14-1,098.30

Finding the Fourth Proportional to 3,288.12, 4,933.14 and 1,098.30

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Solution

The fourth proportional to 3,288.12, 4,933.14 and 1,098.30 is: 1,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.12 : 4,933.14 = 1,098.30 : x
  2. Step 2: Convert to fraction form
    3,288.12/4,933.14 = 1,098.30/x
  3. Step 3: Cross multiply
    3,288.12x = 4,933.14 × 1,098.30
  4. Step 4: Simplify right side
    3,288.12x = 5,418,067.66
  5. Step 5: Solve for x
    x = 5,418,067.66/3,288.12
  6. Step 6: Final answer
    x = 1,647.77

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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.