Home / 3,958.98-5,463.42-2,190.54

Finding the Fourth Proportional to 3,958.98, 5,463.42 and 2,190.54

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Solution

The fourth proportional to 3,958.98, 5,463.42 and 2,190.54 is: 3,022.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.98 : 5,463.42 = 2,190.54 : x
  2. Step 2: Convert to fraction form
    3,958.98/5,463.42 = 2,190.54/x
  3. Step 3: Cross multiply
    3,958.98x = 5,463.42 × 2,190.54
  4. Step 4: Simplify right side
    3,958.98x = 11,967,840.05
  5. Step 5: Solve for x
    x = 11,967,840.05/3,958.98
  6. Step 6: Final answer
    x = 3,022.96

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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.