Home / 3,944.84-5,443.79-2,176.61

Finding the Fourth Proportional to 3,944.84, 5,443.79 and 2,176.61

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Solution

The fourth proportional to 3,944.84, 5,443.79 and 2,176.61 is: 3,003.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.84 : 5,443.79 = 2,176.61 : x
  2. Step 2: Convert to fraction form
    3,944.84/5,443.79 = 2,176.61/x
  3. Step 3: Cross multiply
    3,944.84x = 5,443.79 × 2,176.61
  4. Step 4: Simplify right side
    3,944.84x = 11,848,969.65
  5. Step 5: Solve for x
    x = 11,848,969.65/3,944.84
  6. Step 6: Final answer
    x = 3,003.67

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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.