Home / 3,146.57-4,721.99-1,198.73

Finding the Fourth Proportional to 3,146.57, 4,721.99 and 1,198.73

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Solution

The fourth proportional to 3,146.57, 4,721.99 and 1,198.73 is: 1,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.57 : 4,721.99 = 1,198.73 : x
  2. Step 2: Convert to fraction form
    3,146.57/4,721.99 = 1,198.73/x
  3. Step 3: Cross multiply
    3,146.57x = 4,721.99 × 1,198.73
  4. Step 4: Simplify right side
    3,146.57x = 5,660,361.47
  5. Step 5: Solve for x
    x = 5,660,361.47/3,146.57
  6. Step 6: Final answer
    x = 1,798.90

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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.