Home / 3,917.13-5,876.81-1,943.36

Finding the Fourth Proportional to 3,917.13, 5,876.81 and 1,943.36

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Solution

The fourth proportional to 3,917.13, 5,876.81 and 1,943.36 is: 2,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.13 : 5,876.81 = 1,943.36 : x
  2. Step 2: Convert to fraction form
    3,917.13/5,876.81 = 1,943.36/x
  3. Step 3: Cross multiply
    3,917.13x = 5,876.81 × 1,943.36
  4. Step 4: Simplify right side
    3,917.13x = 11,420,757.48
  5. Step 5: Solve for x
    x = 11,420,757.48/3,917.13
  6. Step 6: Final answer
    x = 2,915.59

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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.