Home / 3,825.28-5,286.14-3,258.02

Finding the Fourth Proportional to 3,825.28, 5,286.14 and 3,258.02

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Solution

The fourth proportional to 3,825.28, 5,286.14 and 3,258.02 is: 4,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.28 : 5,286.14 = 3,258.02 : x
  2. Step 2: Convert to fraction form
    3,825.28/5,286.14 = 3,258.02/x
  3. Step 3: Cross multiply
    3,825.28x = 5,286.14 × 3,258.02
  4. Step 4: Simplify right side
    3,825.28x = 17,222,349.84
  5. Step 5: Solve for x
    x = 17,222,349.84/3,825.28
  6. Step 6: Final answer
    x = 4,502.25

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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.