Home / 3,726.68-5,143.24-2,383.54

Finding the Fourth Proportional to 3,726.68, 5,143.24 and 2,383.54

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Solution

The fourth proportional to 3,726.68, 5,143.24 and 2,383.54 is: 3,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.68 : 5,143.24 = 2,383.54 : x
  2. Step 2: Convert to fraction form
    3,726.68/5,143.24 = 2,383.54/x
  3. Step 3: Cross multiply
    3,726.68x = 5,143.24 × 2,383.54
  4. Step 4: Simplify right side
    3,726.68x = 12,259,118.27
  5. Step 5: Solve for x
    x = 12,259,118.27/3,726.68
  6. Step 6: Final answer
    x = 3,289.55

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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.