Home / 3,979.26-5,971.53-2,664.48

Finding the Fourth Proportional to 3,979.26, 5,971.53 and 2,664.48

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Solution

The fourth proportional to 3,979.26, 5,971.53 and 2,664.48 is: 3,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.26 : 5,971.53 = 2,664.48 : x
  2. Step 2: Convert to fraction form
    3,979.26/5,971.53 = 2,664.48/x
  3. Step 3: Cross multiply
    3,979.26x = 5,971.53 × 2,664.48
  4. Step 4: Simplify right side
    3,979.26x = 15,911,022.25
  5. Step 5: Solve for x
    x = 15,911,022.25/3,979.26
  6. Step 6: Final answer
    x = 3,998.49

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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.