Home / 3,944.85-5,443.96-2,176.47

Finding the Fourth Proportional to 3,944.85, 5,443.96 and 2,176.47

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Solution

The fourth proportional to 3,944.85, 5,443.96 and 2,176.47 is: 3,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.85 : 5,443.96 = 2,176.47 : x
  2. Step 2: Convert to fraction form
    3,944.85/5,443.96 = 2,176.47/x
  3. Step 3: Cross multiply
    3,944.85x = 5,443.96 × 2,176.47
  4. Step 4: Simplify right side
    3,944.85x = 11,848,614.26
  5. Step 5: Solve for x
    x = 11,848,614.26/3,944.85
  6. Step 6: Final answer
    x = 3,003.56

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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.