Home / 3,958.70-5,463.03-2,190.37

Finding the Fourth Proportional to 3,958.70, 5,463.03 and 2,190.37

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Solution

The fourth proportional to 3,958.70, 5,463.03 and 2,190.37 is: 3,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.70 : 5,463.03 = 2,190.37 : x
  2. Step 2: Convert to fraction form
    3,958.70/5,463.03 = 2,190.37/x
  3. Step 3: Cross multiply
    3,958.70x = 5,463.03 × 2,190.37
  4. Step 4: Simplify right side
    3,958.70x = 11,966,057.02
  5. Step 5: Solve for x
    x = 11,966,057.02/3,958.70
  6. Step 6: Final answer
    x = 3,022.72

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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.