Home / 3,481.36-5,222.64-1,839.28

Finding the Fourth Proportional to 3,481.36, 5,222.64 and 1,839.28

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Solution

The fourth proportional to 3,481.36, 5,222.64 and 1,839.28 is: 2,759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.36 : 5,222.64 = 1,839.28 : x
  2. Step 2: Convert to fraction form
    3,481.36/5,222.64 = 1,839.28/x
  3. Step 3: Cross multiply
    3,481.36x = 5,222.64 × 1,839.28
  4. Step 4: Simplify right side
    3,481.36x = 9,605,897.30
  5. Step 5: Solve for x
    x = 9,605,897.30/3,481.36
  6. Step 6: Final answer
    x = 2,759.24

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1.5x scale

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.