Home / 2,912.14-4,370.10-1,269.73

Finding the Fourth Proportional to 2,912.14, 4,370.10 and 1,269.73

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Solution

The fourth proportional to 2,912.14, 4,370.10 and 1,269.73 is: 1,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.14 : 4,370.10 = 1,269.73 : x
  2. Step 2: Convert to fraction form
    2,912.14/4,370.10 = 1,269.73/x
  3. Step 3: Cross multiply
    2,912.14x = 4,370.10 × 1,269.73
  4. Step 4: Simplify right side
    2,912.14x = 5,548,847.07
  5. Step 5: Solve for x
    x = 5,548,847.07/2,912.14
  6. Step 6: Final answer
    x = 1,905.42

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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.