Home / 3,192.30-4,787.66-1,343.43

Finding the Fourth Proportional to 3,192.30, 4,787.66 and 1,343.43

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Solution

The fourth proportional to 3,192.30, 4,787.66 and 1,343.43 is: 2,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.30 : 4,787.66 = 1,343.43 : x
  2. Step 2: Convert to fraction form
    3,192.30/4,787.66 = 1,343.43/x
  3. Step 3: Cross multiply
    3,192.30x = 4,787.66 × 1,343.43
  4. Step 4: Simplify right side
    3,192.30x = 6,431,879.36
  5. Step 5: Solve for x
    x = 6,431,879.36/3,192.30
  6. Step 6: Final answer
    x = 2,014.81

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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.