Home / 4,198.88-5,796.25-2,988.35

Finding the Fourth Proportional to 4,198.88, 5,796.25 and 2,988.35

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Solution

The fourth proportional to 4,198.88, 5,796.25 and 2,988.35 is: 4,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.88 : 5,796.25 = 2,988.35 : x
  2. Step 2: Convert to fraction form
    4,198.88/5,796.25 = 2,988.35/x
  3. Step 3: Cross multiply
    4,198.88x = 5,796.25 × 2,988.35
  4. Step 4: Simplify right side
    4,198.88x = 17,321,201.70
  5. Step 5: Solve for x
    x = 17,321,201.70/4,198.88
  6. Step 6: Final answer
    x = 4,125.20

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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.