Home / 2,912.18-4,370.49-2,134.22

Finding the Fourth Proportional to 2,912.18, 4,370.49 and 2,134.22

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Solution

The fourth proportional to 2,912.18, 4,370.49 and 2,134.22 is: 3,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.18 : 4,370.49 = 2,134.22 : x
  2. Step 2: Convert to fraction form
    2,912.18/4,370.49 = 2,134.22/x
  3. Step 3: Cross multiply
    2,912.18x = 4,370.49 × 2,134.22
  4. Step 4: Simplify right side
    2,912.18x = 9,327,565.32
  5. Step 5: Solve for x
    x = 9,327,565.32/2,912.18
  6. Step 6: Final answer
    x = 3,202.95

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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.