Home / 3,278.08-4,917.78-1,197.90

Finding the Fourth Proportional to 3,278.08, 4,917.78 and 1,197.90

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Solution

The fourth proportional to 3,278.08, 4,917.78 and 1,197.90 is: 1,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.08 : 4,917.78 = 1,197.90 : x
  2. Step 2: Convert to fraction form
    3,278.08/4,917.78 = 1,197.90/x
  3. Step 3: Cross multiply
    3,278.08x = 4,917.78 × 1,197.90
  4. Step 4: Simplify right side
    3,278.08x = 5,891,008.66
  5. Step 5: Solve for x
    x = 5,891,008.66/3,278.08
  6. Step 6: Final answer
    x = 1,797.09

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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.