Home / 3,941.45-5,910.64-1,720.97

Finding the Fourth Proportional to 3,941.45, 5,910.64 and 1,720.97

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Solution

The fourth proportional to 3,941.45, 5,910.64 and 1,720.97 is: 2,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.45 : 5,910.64 = 1,720.97 : x
  2. Step 2: Convert to fraction form
    3,941.45/5,910.64 = 1,720.97/x
  3. Step 3: Cross multiply
    3,941.45x = 5,910.64 × 1,720.97
  4. Step 4: Simplify right side
    3,941.45x = 10,172,004.57
  5. Step 5: Solve for x
    x = 10,172,004.57/3,941.45
  6. Step 6: Final answer
    x = 2,580.78

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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.