Home / 2,912.22-4,371.12-2,267.10

Finding the Fourth Proportional to 2,912.22, 4,371.12 and 2,267.10

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Solution

The fourth proportional to 2,912.22, 4,371.12 and 2,267.10 is: 3,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.22 : 4,371.12 = 2,267.10 : x
  2. Step 2: Convert to fraction form
    2,912.22/4,371.12 = 2,267.10/x
  3. Step 3: Cross multiply
    2,912.22x = 4,371.12 × 2,267.10
  4. Step 4: Simplify right side
    2,912.22x = 9,909,766.15
  5. Step 5: Solve for x
    x = 9,909,766.15/2,912.22
  6. Step 6: Final answer
    x = 3,402.82

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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.