Home / 3,680.75-5,517.60-2,360.81

Finding the Fourth Proportional to 3,680.75, 5,517.60 and 2,360.81

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Solution

The fourth proportional to 3,680.75, 5,517.60 and 2,360.81 is: 3,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.75 : 5,517.60 = 2,360.81 : x
  2. Step 2: Convert to fraction form
    3,680.75/5,517.60 = 2,360.81/x
  3. Step 3: Cross multiply
    3,680.75x = 5,517.60 × 2,360.81
  4. Step 4: Simplify right side
    3,680.75x = 13,026,010.20
  5. Step 5: Solve for x
    x = 13,026,010.20/3,680.75
  6. Step 6: Final answer
    x = 3,538.95

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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.