Home / 3,096.85-4,273.62-1,680.53

Finding the Fourth Proportional to 3,096.85, 4,273.62 and 1,680.53

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Solution

The fourth proportional to 3,096.85, 4,273.62 and 1,680.53 is: 2,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.85 : 4,273.62 = 1,680.53 : x
  2. Step 2: Convert to fraction form
    3,096.85/4,273.62 = 1,680.53/x
  3. Step 3: Cross multiply
    3,096.85x = 4,273.62 × 1,680.53
  4. Step 4: Simplify right side
    3,096.85x = 7,181,957.30
  5. Step 5: Solve for x
    x = 7,181,957.30/3,096.85
  6. Step 6: Final answer
    x = 2,319.12

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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.