Home / 3,696.88-5,102.96-2,205.28

Finding the Fourth Proportional to 3,696.88, 5,102.96 and 2,205.28

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Solution

The fourth proportional to 3,696.88, 5,102.96 and 2,205.28 is: 3,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.88 : 5,102.96 = 2,205.28 : x
  2. Step 2: Convert to fraction form
    3,696.88/5,102.96 = 2,205.28/x
  3. Step 3: Cross multiply
    3,696.88x = 5,102.96 × 2,205.28
  4. Step 4: Simplify right side
    3,696.88x = 11,253,455.63
  5. Step 5: Solve for x
    x = 11,253,455.63/3,696.88
  6. Step 6: Final answer
    x = 3,044.04

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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.