Home / 3,964.18-5,469.78-2,392.36

Finding the Fourth Proportional to 3,964.18, 5,469.78 and 2,392.36

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Solution

The fourth proportional to 3,964.18, 5,469.78 and 2,392.36 is: 3,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.18 : 5,469.78 = 2,392.36 : x
  2. Step 2: Convert to fraction form
    3,964.18/5,469.78 = 2,392.36/x
  3. Step 3: Cross multiply
    3,964.18x = 5,469.78 × 2,392.36
  4. Step 4: Simplify right side
    3,964.18x = 13,085,682.88
  5. Step 5: Solve for x
    x = 13,085,682.88/3,964.18
  6. Step 6: Final answer
    x = 3,300.98

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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.