Home / 3,726.91-5,140.13-3,277.80

Finding the Fourth Proportional to 3,726.91, 5,140.13 and 3,277.80

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Solution

The fourth proportional to 3,726.91, 5,140.13 and 3,277.80 is: 4,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.91 : 5,140.13 = 3,277.80 : x
  2. Step 2: Convert to fraction form
    3,726.91/5,140.13 = 3,277.80/x
  3. Step 3: Cross multiply
    3,726.91x = 5,140.13 × 3,277.80
  4. Step 4: Simplify right side
    3,726.91x = 16,848,301.73
  5. Step 5: Solve for x
    x = 16,848,301.73/3,726.91
  6. Step 6: Final answer
    x = 4,520.71

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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.