Home / 3,511.83-4,845.97-1,939.82

Finding the Fourth Proportional to 3,511.83, 4,845.97 and 1,939.82

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Solution

The fourth proportional to 3,511.83, 4,845.97 and 1,939.82 is: 2,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.83 : 4,845.97 = 1,939.82 : x
  2. Step 2: Convert to fraction form
    3,511.83/4,845.97 = 1,939.82/x
  3. Step 3: Cross multiply
    3,511.83x = 4,845.97 × 1,939.82
  4. Step 4: Simplify right side
    3,511.83x = 9,400,292.56
  5. Step 5: Solve for x
    x = 9,400,292.56/3,511.83
  6. Step 6: Final answer
    x = 2,676.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.