Home / 3,770.22-5,202.72-2,198.28

Finding the Fourth Proportional to 3,770.22, 5,202.72 and 2,198.28

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Solution

The fourth proportional to 3,770.22, 5,202.72 and 2,198.28 is: 3,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.22 : 5,202.72 = 2,198.28 : x
  2. Step 2: Convert to fraction form
    3,770.22/5,202.72 = 2,198.28/x
  3. Step 3: Cross multiply
    3,770.22x = 5,202.72 × 2,198.28
  4. Step 4: Simplify right side
    3,770.22x = 11,437,035.32
  5. Step 5: Solve for x
    x = 11,437,035.32/3,770.22
  6. Step 6: Final answer
    x = 3,033.52

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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.