Home / 3,786.43-5,225.06-2,192.80

Finding the Fourth Proportional to 3,786.43, 5,225.06 and 2,192.80

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Solution

The fourth proportional to 3,786.43, 5,225.06 and 2,192.80 is: 3,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.43 : 5,225.06 = 2,192.80 : x
  2. Step 2: Convert to fraction form
    3,786.43/5,225.06 = 2,192.80/x
  3. Step 3: Cross multiply
    3,786.43x = 5,225.06 × 2,192.80
  4. Step 4: Simplify right side
    3,786.43x = 11,457,490.92
  5. Step 5: Solve for x
    x = 11,457,490.92/3,786.43
  6. Step 6: Final answer
    x = 3,025.94

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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.