Home / 1,813.58-2,721.33-1,198.22

Finding the Fourth Proportional to 1,813.58, 2,721.33 and 1,198.22

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Solution

The fourth proportional to 1,813.58, 2,721.33 and 1,198.22 is: 1,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.58 : 2,721.33 = 1,198.22 : x
  2. Step 2: Convert to fraction form
    1,813.58/2,721.33 = 1,198.22/x
  3. Step 3: Cross multiply
    1,813.58x = 2,721.33 × 1,198.22
  4. Step 4: Simplify right side
    1,813.58x = 3,260,752.03
  5. Step 5: Solve for x
    x = 3,260,752.03/1,813.58
  6. Step 6: Final answer
    x = 1,797.96

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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.