Home / 2,725.45-3,761.54-1,663.44

Finding the Fourth Proportional to 2,725.45, 3,761.54 and 1,663.44

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Solution

The fourth proportional to 2,725.45, 3,761.54 and 1,663.44 is: 2,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.45 : 3,761.54 = 1,663.44 : x
  2. Step 2: Convert to fraction form
    2,725.45/3,761.54 = 1,663.44/x
  3. Step 3: Cross multiply
    2,725.45x = 3,761.54 × 1,663.44
  4. Step 4: Simplify right side
    2,725.45x = 6,257,100.26
  5. Step 5: Solve for x
    x = 6,257,100.26/2,725.45
  6. Step 6: Final answer
    x = 2,295.81

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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.