Home / 3,278.46-4,918.34-1,198.28

Finding the Fourth Proportional to 3,278.46, 4,918.34 and 1,198.28

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Solution

The fourth proportional to 3,278.46, 4,918.34 and 1,198.28 is: 1,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.46 : 4,918.34 = 1,198.28 : x
  2. Step 2: Convert to fraction form
    3,278.46/4,918.34 = 1,198.28/x
  3. Step 3: Cross multiply
    3,278.46x = 4,918.34 × 1,198.28
  4. Step 4: Simplify right side
    3,278.46x = 5,893,526.86
  5. Step 5: Solve for x
    x = 5,893,526.86/3,278.46
  6. Step 6: Final answer
    x = 1,797.65

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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.