Home / 2,623.92-3,936.96-1,469.64

Finding the Fourth Proportional to 2,623.92, 3,936.96 and 1,469.64

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Solution

The fourth proportional to 2,623.92, 3,936.96 and 1,469.64 is: 2,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.92 : 3,936.96 = 1,469.64 : x
  2. Step 2: Convert to fraction form
    2,623.92/3,936.96 = 1,469.64/x
  3. Step 3: Cross multiply
    2,623.92x = 3,936.96 × 1,469.64
  4. Step 4: Simplify right side
    2,623.92x = 5,785,913.89
  5. Step 5: Solve for x
    x = 5,785,913.89/2,623.92
  6. Step 6: Final answer
    x = 2,205.06

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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.