Home / 3,986.17-5,979.40-2,036.09

Finding the Fourth Proportional to 3,986.17, 5,979.40 and 2,036.09

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Solution

The fourth proportional to 3,986.17, 5,979.40 and 2,036.09 is: 3,054.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.17 : 5,979.40 = 2,036.09 : x
  2. Step 2: Convert to fraction form
    3,986.17/5,979.40 = 2,036.09/x
  3. Step 3: Cross multiply
    3,986.17x = 5,979.40 × 2,036.09
  4. Step 4: Simplify right side
    3,986.17x = 12,174,606.40
  5. Step 5: Solve for x
    x = 12,174,606.40/3,986.17
  6. Step 6: Final answer
    x = 3,054.21

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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.