Home / 3,481.29-5,216.36-2,784.28

Finding the Fourth Proportional to 3,481.29, 5,216.36 and 2,784.28

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Solution

The fourth proportional to 3,481.29, 5,216.36 and 2,784.28 is: 4,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.29 : 5,216.36 = 2,784.28 : x
  2. Step 2: Convert to fraction form
    3,481.29/5,216.36 = 2,784.28/x
  3. Step 3: Cross multiply
    3,481.29x = 5,216.36 × 2,784.28
  4. Step 4: Simplify right side
    3,481.29x = 14,523,806.82
  5. Step 5: Solve for x
    x = 14,523,806.82/3,481.29
  6. Step 6: Final answer
    x = 4,171.96

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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.