Home / 3,979.11-5,969.36-1,514.15

Finding the Fourth Proportional to 3,979.11, 5,969.36 and 1,514.15

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Solution

The fourth proportional to 3,979.11, 5,969.36 and 1,514.15 is: 2,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.11 : 5,969.36 = 1,514.15 : x
  2. Step 2: Convert to fraction form
    3,979.11/5,969.36 = 1,514.15/x
  3. Step 3: Cross multiply
    3,979.11x = 5,969.36 × 1,514.15
  4. Step 4: Simplify right side
    3,979.11x = 9,038,469.03
  5. Step 5: Solve for x
    x = 9,038,469.03/3,979.11
  6. Step 6: Final answer
    x = 2,271.48

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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.