Home / 3,944.51-5,908.28-1,861.38

Finding the Fourth Proportional to 3,944.51, 5,908.28 and 1,861.38

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Solution

The fourth proportional to 3,944.51, 5,908.28 and 1,861.38 is: 2,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.51 : 5,908.28 = 1,861.38 : x
  2. Step 2: Convert to fraction form
    3,944.51/5,908.28 = 1,861.38/x
  3. Step 3: Cross multiply
    3,944.51x = 5,908.28 × 1,861.38
  4. Step 4: Simplify right side
    3,944.51x = 10,997,544.92
  5. Step 5: Solve for x
    x = 10,997,544.92/3,944.51
  6. Step 6: Final answer
    x = 2,788.07

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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.