Home / 3,944.88-5,443.90-2,176.45

Finding the Fourth Proportional to 3,944.88, 5,443.90 and 2,176.45

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Solution

The fourth proportional to 3,944.88, 5,443.90 and 2,176.45 is: 3,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.88 : 5,443.90 = 2,176.45 : x
  2. Step 2: Convert to fraction form
    3,944.88/5,443.90 = 2,176.45/x
  3. Step 3: Cross multiply
    3,944.88x = 5,443.90 × 2,176.45
  4. Step 4: Simplify right side
    3,944.88x = 11,848,357.10
  5. Step 5: Solve for x
    x = 11,848,357.10/3,944.88
  6. Step 6: Final answer
    x = 3,003.48

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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.