Home / 3,426.27-4,728.02-2,028.75

Finding the Fourth Proportional to 3,426.27, 4,728.02 and 2,028.75

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Solution

The fourth proportional to 3,426.27, 4,728.02 and 2,028.75 is: 2,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.27 : 4,728.02 = 2,028.75 : x
  2. Step 2: Convert to fraction form
    3,426.27/4,728.02 = 2,028.75/x
  3. Step 3: Cross multiply
    3,426.27x = 4,728.02 × 2,028.75
  4. Step 4: Simplify right side
    3,426.27x = 9,591,960.43
  5. Step 5: Solve for x
    x = 9,591,960.43/3,426.27
  6. Step 6: Final answer
    x = 2,799.53

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Half scale
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Double scale
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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.