Home / 3,917.19-5,872.70-1,941.46

Finding the Fourth Proportional to 3,917.19, 5,872.70 and 1,941.46

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Solution

The fourth proportional to 3,917.19, 5,872.70 and 1,941.46 is: 2,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.19 : 5,872.70 = 1,941.46 : x
  2. Step 2: Convert to fraction form
    3,917.19/5,872.70 = 1,941.46/x
  3. Step 3: Cross multiply
    3,917.19x = 5,872.70 × 1,941.46
  4. Step 4: Simplify right side
    3,917.19x = 11,401,612.14
  5. Step 5: Solve for x
    x = 11,401,612.14/3,917.19
  6. Step 6: Final answer
    x = 2,910.66

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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.