Home / 3,979.13-5,968.94-1,057.37

Finding the Fourth Proportional to 3,979.13, 5,968.94 and 1,057.37

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Solution

The fourth proportional to 3,979.13, 5,968.94 and 1,057.37 is: 1,586.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.13 : 5,968.94 = 1,057.37 : x
  2. Step 2: Convert to fraction form
    3,979.13/5,968.94 = 1,057.37/x
  3. Step 3: Cross multiply
    3,979.13x = 5,968.94 × 1,057.37
  4. Step 4: Simplify right side
    3,979.13x = 6,311,342.96
  5. Step 5: Solve for x
    x = 6,311,342.96/3,979.13
  6. Step 6: Final answer
    x = 1,586.11

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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.