Home / 2,198.04-3,033.31-1,358.56

Finding the Fourth Proportional to 2,198.04, 3,033.31 and 1,358.56

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Solution

The fourth proportional to 2,198.04, 3,033.31 and 1,358.56 is: 1,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.04 : 3,033.31 = 1,358.56 : x
  2. Step 2: Convert to fraction form
    2,198.04/3,033.31 = 1,358.56/x
  3. Step 3: Cross multiply
    2,198.04x = 3,033.31 × 1,358.56
  4. Step 4: Simplify right side
    2,198.04x = 4,120,919.51
  5. Step 5: Solve for x
    x = 4,120,919.51/2,198.04
  6. Step 6: Final answer
    x = 1,874.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.