Home / 3,217.11-4,817.79-2,905.46

Finding the Fourth Proportional to 3,217.11, 4,817.79 and 2,905.46

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Solution

The fourth proportional to 3,217.11, 4,817.79 and 2,905.46 is: 4,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.11 : 4,817.79 = 2,905.46 : x
  2. Step 2: Convert to fraction form
    3,217.11/4,817.79 = 2,905.46/x
  3. Step 3: Cross multiply
    3,217.11x = 4,817.79 × 2,905.46
  4. Step 4: Simplify right side
    3,217.11x = 13,997,872.04
  5. Step 5: Solve for x
    x = 13,997,872.04/3,217.11
  6. Step 6: Final answer
    x = 4,351.07

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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.