Home / 3,198.83-4,790.20-2,025.28

Finding the Fourth Proportional to 3,198.83, 4,790.20 and 2,025.28

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Solution

The fourth proportional to 3,198.83, 4,790.20 and 2,025.28 is: 3,032.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.83 : 4,790.20 = 2,025.28 : x
  2. Step 2: Convert to fraction form
    3,198.83/4,790.20 = 2,025.28/x
  3. Step 3: Cross multiply
    3,198.83x = 4,790.20 × 2,025.28
  4. Step 4: Simplify right side
    3,198.83x = 9,701,486.13
  5. Step 5: Solve for x
    x = 9,701,486.13/3,198.83
  6. Step 6: Final answer
    x = 3,032.82

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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.