Home / 3,192.09-4,787.73-1,245.66

Finding the Fourth Proportional to 3,192.09, 4,787.73 and 1,245.66

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Solution

The fourth proportional to 3,192.09, 4,787.73 and 1,245.66 is: 1,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.09 : 4,787.73 = 1,245.66 : x
  2. Step 2: Convert to fraction form
    3,192.09/4,787.73 = 1,245.66/x
  3. Step 3: Cross multiply
    3,192.09x = 4,787.73 × 1,245.66
  4. Step 4: Simplify right side
    3,192.09x = 5,963,883.75
  5. Step 5: Solve for x
    x = 5,963,883.75/3,192.09
  6. Step 6: Final answer
    x = 1,868.33

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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.