Home / 2,198.10-3,033.81-1,568.46

Finding the Fourth Proportional to 2,198.10, 3,033.81 and 1,568.46

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Solution

The fourth proportional to 2,198.10, 3,033.81 and 1,568.46 is: 2,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.10 : 3,033.81 = 1,568.46 : x
  2. Step 2: Convert to fraction form
    2,198.10/3,033.81 = 1,568.46/x
  3. Step 3: Cross multiply
    2,198.10x = 3,033.81 × 1,568.46
  4. Step 4: Simplify right side
    2,198.10x = 4,758,409.63
  5. Step 5: Solve for x
    x = 4,758,409.63/2,198.10
  6. Step 6: Final answer
    x = 2,164.78

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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.