Home / 3,944.79-5,911.54-2,896.56

Finding the Fourth Proportional to 3,944.79, 5,911.54 and 2,896.56

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Solution

The fourth proportional to 3,944.79, 5,911.54 and 2,896.56 is: 4,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.79 : 5,911.54 = 2,896.56 : x
  2. Step 2: Convert to fraction form
    3,944.79/5,911.54 = 2,896.56/x
  3. Step 3: Cross multiply
    3,944.79x = 5,911.54 × 2,896.56
  4. Step 4: Simplify right side
    3,944.79x = 17,123,137.84
  5. Step 5: Solve for x
    x = 17,123,137.84/3,944.79
  6. Step 6: Final answer
    x = 4,340.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.