Home / 2,628.21-3,944.26-1,241.97

Finding the Fourth Proportional to 2,628.21, 3,944.26 and 1,241.97

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Solution

The fourth proportional to 2,628.21, 3,944.26 and 1,241.97 is: 1,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.21 : 3,944.26 = 1,241.97 : x
  2. Step 2: Convert to fraction form
    2,628.21/3,944.26 = 1,241.97/x
  3. Step 3: Cross multiply
    2,628.21x = 3,944.26 × 1,241.97
  4. Step 4: Simplify right side
    2,628.21x = 4,898,632.87
  5. Step 5: Solve for x
    x = 4,898,632.87/2,628.21
  6. Step 6: Final answer
    x = 1,863.87

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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.