Home / 3,964.42-5,469.87-2,285.44

Finding the Fourth Proportional to 3,964.42, 5,469.87 and 2,285.44

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Solution

The fourth proportional to 3,964.42, 5,469.87 and 2,285.44 is: 3,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.42 : 5,469.87 = 2,285.44 : x
  2. Step 2: Convert to fraction form
    3,964.42/5,469.87 = 2,285.44/x
  3. Step 3: Cross multiply
    3,964.42x = 5,469.87 × 2,285.44
  4. Step 4: Simplify right side
    3,964.42x = 12,501,059.69
  5. Step 5: Solve for x
    x = 12,501,059.69/3,964.42
  6. Step 6: Final answer
    x = 3,153.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.