Home / 3,944.87-5,443.95-2,176.43

Finding the Fourth Proportional to 3,944.87, 5,443.95 and 2,176.43

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Solution

The fourth proportional to 3,944.87, 5,443.95 and 2,176.43 is: 3,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.87 : 5,443.95 = 2,176.43 : x
  2. Step 2: Convert to fraction form
    3,944.87/5,443.95 = 2,176.43/x
  3. Step 3: Cross multiply
    3,944.87x = 5,443.95 × 2,176.43
  4. Step 4: Simplify right side
    3,944.87x = 11,848,376.10
  5. Step 5: Solve for x
    x = 11,848,376.10/3,944.87
  6. Step 6: Final answer
    x = 3,003.49

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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.