Home / 3,161.73-4,746.70-2,431.82

Finding the Fourth Proportional to 3,161.73, 4,746.70 and 2,431.82

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Solution

The fourth proportional to 3,161.73, 4,746.70 and 2,431.82 is: 3,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.73 : 4,746.70 = 2,431.82 : x
  2. Step 2: Convert to fraction form
    3,161.73/4,746.70 = 2,431.82/x
  3. Step 3: Cross multiply
    3,161.73x = 4,746.70 × 2,431.82
  4. Step 4: Simplify right side
    3,161.73x = 11,543,134.90
  5. Step 5: Solve for x
    x = 11,543,134.90/3,161.73
  6. Step 6: Final answer
    x = 3,650.89

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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.