Home / 3,468.27-4,785.66-1,976.22

Finding the Fourth Proportional to 3,468.27, 4,785.66 and 1,976.22

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Solution

The fourth proportional to 3,468.27, 4,785.66 and 1,976.22 is: 2,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.27 : 4,785.66 = 1,976.22 : x
  2. Step 2: Convert to fraction form
    3,468.27/4,785.66 = 1,976.22/x
  3. Step 3: Cross multiply
    3,468.27x = 4,785.66 × 1,976.22
  4. Step 4: Simplify right side
    3,468.27x = 9,457,517.01
  5. Step 5: Solve for x
    x = 9,457,517.01/3,468.27
  6. Step 6: Final answer
    x = 2,726.87

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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.