Home / 3,198.15-4,797.73-1,118.10

Finding the Fourth Proportional to 3,198.15, 4,797.73 and 1,118.10

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Solution

The fourth proportional to 3,198.15, 4,797.73 and 1,118.10 is: 1,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.15 : 4,797.73 = 1,118.10 : x
  2. Step 2: Convert to fraction form
    3,198.15/4,797.73 = 1,118.10/x
  3. Step 3: Cross multiply
    3,198.15x = 4,797.73 × 1,118.10
  4. Step 4: Simplify right side
    3,198.15x = 5,364,361.30
  5. Step 5: Solve for x
    x = 5,364,361.30/3,198.15
  6. Step 6: Final answer
    x = 1,677.33

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1.5x scale

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.