Home / 2,511.62-3,765.70-1,105.37

Finding the Fourth Proportional to 2,511.62, 3,765.70 and 1,105.37

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Solution

The fourth proportional to 2,511.62, 3,765.70 and 1,105.37 is: 1,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.62 : 3,765.70 = 1,105.37 : x
  2. Step 2: Convert to fraction form
    2,511.62/3,765.70 = 1,105.37/x
  3. Step 3: Cross multiply
    2,511.62x = 3,765.70 × 1,105.37
  4. Step 4: Simplify right side
    2,511.62x = 4,162,495.97
  5. Step 5: Solve for x
    x = 4,162,495.97/2,511.62
  6. Step 6: Final answer
    x = 1,657.29

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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.