Home / 3,979.26-5,961.63-3,541.86

Finding the Fourth Proportional to 3,979.26, 5,961.63 and 3,541.86

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Solution

The fourth proportional to 3,979.26, 5,961.63 and 3,541.86 is: 5,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.26 : 5,961.63 = 3,541.86 : x
  2. Step 2: Convert to fraction form
    3,979.26/5,961.63 = 3,541.86/x
  3. Step 3: Cross multiply
    3,979.26x = 5,961.63 × 3,541.86
  4. Step 4: Simplify right side
    3,979.26x = 21,115,258.83
  5. Step 5: Solve for x
    x = 21,115,258.83/3,979.26
  6. Step 6: Final answer
    x = 5,306.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.