Home / 3,979.80-5,968.08-3,197.34

Finding the Fourth Proportional to 3,979.80, 5,968.08 and 3,197.34

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Solution

The fourth proportional to 3,979.80, 5,968.08 and 3,197.34 is: 4,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.80 : 5,968.08 = 3,197.34 : x
  2. Step 2: Convert to fraction form
    3,979.80/5,968.08 = 3,197.34/x
  3. Step 3: Cross multiply
    3,979.80x = 5,968.08 × 3,197.34
  4. Step 4: Simplify right side
    3,979.80x = 19,081,980.91
  5. Step 5: Solve for x
    x = 19,081,980.91/3,979.80
  6. Step 6: Final answer
    x = 4,794.71

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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.