Home / 3,198.57-4,797.55-1,118.19

Finding the Fourth Proportional to 3,198.57, 4,797.55 and 1,118.19

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Solution

The fourth proportional to 3,198.57, 4,797.55 and 1,118.19 is: 1,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.57 : 4,797.55 = 1,118.19 : x
  2. Step 2: Convert to fraction form
    3,198.57/4,797.55 = 1,118.19/x
  3. Step 3: Cross multiply
    3,198.57x = 4,797.55 × 1,118.19
  4. Step 4: Simplify right side
    3,198.57x = 5,364,572.43
  5. Step 5: Solve for x
    x = 5,364,572.43/3,198.57
  6. Step 6: Final answer
    x = 1,677.18

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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.