Home / 3,801.20-5,696.52-2,071.28

Finding the Fourth Proportional to 3,801.20, 5,696.52 and 2,071.28

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Solution

The fourth proportional to 3,801.20, 5,696.52 and 2,071.28 is: 3,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.20 : 5,696.52 = 2,071.28 : x
  2. Step 2: Convert to fraction form
    3,801.20/5,696.52 = 2,071.28/x
  3. Step 3: Cross multiply
    3,801.20x = 5,696.52 × 2,071.28
  4. Step 4: Simplify right side
    3,801.20x = 11,799,087.95
  5. Step 5: Solve for x
    x = 11,799,087.95/3,801.20
  6. Step 6: Final answer
    x = 3,104.04

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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.