Home / 3,979.44-5,968.54-1,057.88

Finding the Fourth Proportional to 3,979.44, 5,968.54 and 1,057.88

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Solution

The fourth proportional to 3,979.44, 5,968.54 and 1,057.88 is: 1,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.44 : 5,968.54 = 1,057.88 : x
  2. Step 2: Convert to fraction form
    3,979.44/5,968.54 = 1,057.88/x
  3. Step 3: Cross multiply
    3,979.44x = 5,968.54 × 1,057.88
  4. Step 4: Simplify right side
    3,979.44x = 6,313,999.10
  5. Step 5: Solve for x
    x = 6,313,999.10/3,979.44
  6. Step 6: Final answer
    x = 1,586.66

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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.