Home / 3,192.21-4,399.79-2,748.33

Finding the Fourth Proportional to 3,192.21, 4,399.79 and 2,748.33

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Solution

The fourth proportional to 3,192.21, 4,399.79 and 2,748.33 is: 3,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.21 : 4,399.79 = 2,748.33 : x
  2. Step 2: Convert to fraction form
    3,192.21/4,399.79 = 2,748.33/x
  3. Step 3: Cross multiply
    3,192.21x = 4,399.79 × 2,748.33
  4. Step 4: Simplify right side
    3,192.21x = 12,092,061.11
  5. Step 5: Solve for x
    x = 12,092,061.11/3,192.21
  6. Step 6: Final answer
    x = 3,787.99

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1.5x scale

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.