Home / 3,541.44-5,299.20-2,081.28

Finding the Fourth Proportional to 3,541.44, 5,299.20 and 2,081.28

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Solution

The fourth proportional to 3,541.44, 5,299.20 and 2,081.28 is: 3,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.44 : 5,299.20 = 2,081.28 : x
  2. Step 2: Convert to fraction form
    3,541.44/5,299.20 = 2,081.28/x
  3. Step 3: Cross multiply
    3,541.44x = 5,299.20 × 2,081.28
  4. Step 4: Simplify right side
    3,541.44x = 11,029,118.98
  5. Step 5: Solve for x
    x = 11,029,118.98/3,541.44
  6. Step 6: Final answer
    x = 3,114.30

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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.