Home / 3,979.36-5,968.50-1,168.12

Finding the Fourth Proportional to 3,979.36, 5,968.50 and 1,168.12

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Solution

The fourth proportional to 3,979.36, 5,968.50 and 1,168.12 is: 1,752.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.36 : 5,968.50 = 1,168.12 : x
  2. Step 2: Convert to fraction form
    3,979.36/5,968.50 = 1,168.12/x
  3. Step 3: Cross multiply
    3,979.36x = 5,968.50 × 1,168.12
  4. Step 4: Simplify right side
    3,979.36x = 6,971,924.22
  5. Step 5: Solve for x
    x = 6,971,924.22/3,979.36
  6. Step 6: Final answer
    x = 1,752.02

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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.