Home / 3,280.13-4,917.22-1,198.68

Finding the Fourth Proportional to 3,280.13, 4,917.22 and 1,198.68

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Solution

The fourth proportional to 3,280.13, 4,917.22 and 1,198.68 is: 1,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.13 : 4,917.22 = 1,198.68 : x
  2. Step 2: Convert to fraction form
    3,280.13/4,917.22 = 1,198.68/x
  3. Step 3: Cross multiply
    3,280.13x = 4,917.22 × 1,198.68
  4. Step 4: Simplify right side
    3,280.13x = 5,894,151.83
  5. Step 5: Solve for x
    x = 5,894,151.83/3,280.13
  6. Step 6: Final answer
    x = 1,796.93

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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.