Home / 2,786.27-3,845.68-1,738.13

Finding the Fourth Proportional to 2,786.27, 3,845.68 and 1,738.13

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Solution

The fourth proportional to 2,786.27, 3,845.68 and 1,738.13 is: 2,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.27 : 3,845.68 = 1,738.13 : x
  2. Step 2: Convert to fraction form
    2,786.27/3,845.68 = 1,738.13/x
  3. Step 3: Cross multiply
    2,786.27x = 3,845.68 × 1,738.13
  4. Step 4: Simplify right side
    2,786.27x = 6,684,268.20
  5. Step 5: Solve for x
    x = 6,684,268.20/2,786.27
  6. Step 6: Final answer
    x = 2,399.01

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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.