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Finding the Fourth Proportional to 2,267.94, 3,401.88 and 806.76

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Solution

The fourth proportional to 2,267.94, 3,401.88 and 806.76 is: 1,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.94 : 3,401.88 = 806.76 : x
  2. Step 2: Convert to fraction form
    2,267.94/3,401.88 = 806.76/x
  3. Step 3: Cross multiply
    2,267.94x = 3,401.88 × 806.76
  4. Step 4: Simplify right side
    2,267.94x = 2,744,500.71
  5. Step 5: Solve for x
    x = 2,744,500.71/2,267.94
  6. Step 6: Final answer
    x = 1,210.13

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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.