Home / 3,979.74-5,967.57-1,512.69

Finding the Fourth Proportional to 3,979.74, 5,967.57 and 1,512.69

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Solution

The fourth proportional to 3,979.74, 5,967.57 and 1,512.69 is: 2,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.74 : 5,967.57 = 1,512.69 : x
  2. Step 2: Convert to fraction form
    3,979.74/5,967.57 = 1,512.69/x
  3. Step 3: Cross multiply
    3,979.74x = 5,967.57 × 1,512.69
  4. Step 4: Simplify right side
    3,979.74x = 9,027,083.46
  5. Step 5: Solve for x
    x = 9,027,083.46/3,979.74
  6. Step 6: Final answer
    x = 2,268.26

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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.