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Finding the Fourth Proportional to 3,797.84, 5,687.24 and 2,406.96

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Solution

The fourth proportional to 3,797.84, 5,687.24 and 2,406.96 is: 3,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.84 : 5,687.24 = 2,406.96 : x
  2. Step 2: Convert to fraction form
    3,797.84/5,687.24 = 2,406.96/x
  3. Step 3: Cross multiply
    3,797.84x = 5,687.24 × 2,406.96
  4. Step 4: Simplify right side
    3,797.84x = 13,688,959.19
  5. Step 5: Solve for x
    x = 13,688,959.19/3,797.84
  6. Step 6: Final answer
    x = 3,604.41

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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.