Home / 3,192.16-4,786.80-3,091.36

Finding the Fourth Proportional to 3,192.16, 4,786.80 and 3,091.36

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Solution

The fourth proportional to 3,192.16, 4,786.80 and 3,091.36 is: 4,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.16 : 4,786.80 = 3,091.36 : x
  2. Step 2: Convert to fraction form
    3,192.16/4,786.80 = 3,091.36/x
  3. Step 3: Cross multiply
    3,192.16x = 4,786.80 × 3,091.36
  4. Step 4: Simplify right side
    3,192.16x = 14,797,722.05
  5. Step 5: Solve for x
    x = 14,797,722.05/3,192.16
  6. Step 6: Final answer
    x = 4,635.65

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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.