Home / 3,768.27-5,200.19-2,089.68

Finding the Fourth Proportional to 3,768.27, 5,200.19 and 2,089.68

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Solution

The fourth proportional to 3,768.27, 5,200.19 and 2,089.68 is: 2,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.27 : 5,200.19 = 2,089.68 : x
  2. Step 2: Convert to fraction form
    3,768.27/5,200.19 = 2,089.68/x
  3. Step 3: Cross multiply
    3,768.27x = 5,200.19 × 2,089.68
  4. Step 4: Simplify right side
    3,768.27x = 10,866,733.04
  5. Step 5: Solve for x
    x = 10,866,733.04/3,768.27
  6. Step 6: Final answer
    x = 2,883.75

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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.