Home / 3,786.39-5,224.38-2,294.28

Finding the Fourth Proportional to 3,786.39, 5,224.38 and 2,294.28

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Solution

The fourth proportional to 3,786.39, 5,224.38 and 2,294.28 is: 3,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.39 : 5,224.38 = 2,294.28 : x
  2. Step 2: Convert to fraction form
    3,786.39/5,224.38 = 2,294.28/x
  3. Step 3: Cross multiply
    3,786.39x = 5,224.38 × 2,294.28
  4. Step 4: Simplify right side
    3,786.39x = 11,986,190.55
  5. Step 5: Solve for x
    x = 11,986,190.55/3,786.39
  6. Step 6: Final answer
    x = 3,165.60

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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.