Home / 3,076.46-4,611.84-1,227.12

Finding the Fourth Proportional to 3,076.46, 4,611.84 and 1,227.12

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Solution

The fourth proportional to 3,076.46, 4,611.84 and 1,227.12 is: 1,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.46 : 4,611.84 = 1,227.12 : x
  2. Step 2: Convert to fraction form
    3,076.46/4,611.84 = 1,227.12/x
  3. Step 3: Cross multiply
    3,076.46x = 4,611.84 × 1,227.12
  4. Step 4: Simplify right side
    3,076.46x = 5,659,281.10
  5. Step 5: Solve for x
    x = 5,659,281.10/3,076.46
  6. Step 6: Final answer
    x = 1,839.54

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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.