Home / 3,910.36-5,396.26-2,141.98

Finding the Fourth Proportional to 3,910.36, 5,396.26 and 2,141.98

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Solution

The fourth proportional to 3,910.36, 5,396.26 and 2,141.98 is: 2,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.36 : 5,396.26 = 2,141.98 : x
  2. Step 2: Convert to fraction form
    3,910.36/5,396.26 = 2,141.98/x
  3. Step 3: Cross multiply
    3,910.36x = 5,396.26 × 2,141.98
  4. Step 4: Simplify right side
    3,910.36x = 11,558,680.99
  5. Step 5: Solve for x
    x = 11,558,680.99/3,910.36
  6. Step 6: Final answer
    x = 2,955.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.