Home / 2,817.20-4,226.22-1,517.96

Finding the Fourth Proportional to 2,817.20, 4,226.22 and 1,517.96

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Solution

The fourth proportional to 2,817.20, 4,226.22 and 1,517.96 is: 2,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.20 : 4,226.22 = 1,517.96 : x
  2. Step 2: Convert to fraction form
    2,817.20/4,226.22 = 1,517.96/x
  3. Step 3: Cross multiply
    2,817.20x = 4,226.22 × 1,517.96
  4. Step 4: Simplify right side
    2,817.20x = 6,415,232.91
  5. Step 5: Solve for x
    x = 6,415,232.91/2,817.20
  6. Step 6: Final answer
    x = 2,277.17

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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.