Home / 3,539.44-5,310.60-2,079.28

Finding the Fourth Proportional to 3,539.44, 5,310.60 and 2,079.28

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Solution

The fourth proportional to 3,539.44, 5,310.60 and 2,079.28 is: 3,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.44 : 5,310.60 = 2,079.28 : x
  2. Step 2: Convert to fraction form
    3,539.44/5,310.60 = 2,079.28/x
  3. Step 3: Cross multiply
    3,539.44x = 5,310.60 × 2,079.28
  4. Step 4: Simplify right side
    3,539.44x = 11,042,224.37
  5. Step 5: Solve for x
    x = 11,042,224.37/3,539.44
  6. Step 6: Final answer
    x = 3,119.77

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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.