Home / 2,610.14-3,912.30-1,512.05

Finding the Fourth Proportional to 2,610.14, 3,912.30 and 1,512.05

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Solution

The fourth proportional to 2,610.14, 3,912.30 and 1,512.05 is: 2,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.14 : 3,912.30 = 1,512.05 : x
  2. Step 2: Convert to fraction form
    2,610.14/3,912.30 = 1,512.05/x
  3. Step 3: Cross multiply
    2,610.14x = 3,912.30 × 1,512.05
  4. Step 4: Simplify right side
    2,610.14x = 5,915,573.65
  5. Step 5: Solve for x
    x = 5,915,573.65/2,610.14
  6. Step 6: Final answer
    x = 2,266.39

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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.