Home / 3,961.76-5,938.44-2,865.60

Finding the Fourth Proportional to 3,961.76, 5,938.44 and 2,865.60

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Solution

The fourth proportional to 3,961.76, 5,938.44 and 2,865.60 is: 4,295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.76 : 5,938.44 = 2,865.60 : x
  2. Step 2: Convert to fraction form
    3,961.76/5,938.44 = 2,865.60/x
  3. Step 3: Cross multiply
    3,961.76x = 5,938.44 × 2,865.60
  4. Step 4: Simplify right side
    3,961.76x = 17,017,193.66
  5. Step 5: Solve for x
    x = 17,017,193.66/3,961.76
  6. Step 6: Final answer
    x = 4,295.36

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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.