Home / 3,511.73-4,846.29-1,939.79

Finding the Fourth Proportional to 3,511.73, 4,846.29 and 1,939.79

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Solution

The fourth proportional to 3,511.73, 4,846.29 and 1,939.79 is: 2,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.73 : 4,846.29 = 1,939.79 : x
  2. Step 2: Convert to fraction form
    3,511.73/4,846.29 = 1,939.79/x
  3. Step 3: Cross multiply
    3,511.73x = 4,846.29 × 1,939.79
  4. Step 4: Simplify right side
    3,511.73x = 9,400,784.88
  5. Step 5: Solve for x
    x = 9,400,784.88/3,511.73
  6. Step 6: Final answer
    x = 2,676.97

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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.