Home / 2,912.22-4,360.02-2,728.29

Finding the Fourth Proportional to 2,912.22, 4,360.02 and 2,728.29

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Solution

The fourth proportional to 2,912.22, 4,360.02 and 2,728.29 is: 4,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.22 : 4,360.02 = 2,728.29 : x
  2. Step 2: Convert to fraction form
    2,912.22/4,360.02 = 2,728.29/x
  3. Step 3: Cross multiply
    2,912.22x = 4,360.02 × 2,728.29
  4. Step 4: Simplify right side
    2,912.22x = 11,895,398.97
  5. Step 5: Solve for x
    x = 11,895,398.97/2,912.22
  6. Step 6: Final answer
    x = 4,084.65

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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.