Home / 3,279.44-4,911.77-1,889.48

Finding the Fourth Proportional to 3,279.44, 4,911.77 and 1,889.48

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Solution

The fourth proportional to 3,279.44, 4,911.77 and 1,889.48 is: 2,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.44 : 4,911.77 = 1,889.48 : x
  2. Step 2: Convert to fraction form
    3,279.44/4,911.77 = 1,889.48/x
  3. Step 3: Cross multiply
    3,279.44x = 4,911.77 × 1,889.48
  4. Step 4: Simplify right side
    3,279.44x = 9,280,657.17
  5. Step 5: Solve for x
    x = 9,280,657.17/3,279.44
  6. Step 6: Final answer
    x = 2,829.96

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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.