Home / 3,198.79-4,412.46-2,204.02

Finding the Fourth Proportional to 3,198.79, 4,412.46 and 2,204.02

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Solution

The fourth proportional to 3,198.79, 4,412.46 and 2,204.02 is: 3,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.79 : 4,412.46 = 2,204.02 : x
  2. Step 2: Convert to fraction form
    3,198.79/4,412.46 = 2,204.02/x
  3. Step 3: Cross multiply
    3,198.79x = 4,412.46 × 2,204.02
  4. Step 4: Simplify right side
    3,198.79x = 9,725,150.09
  5. Step 5: Solve for x
    x = 9,725,150.09/3,198.79
  6. Step 6: Final answer
    x = 3,040.26

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1.5x scale

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.