Home / 3,387.14-5,081.92-2,087.08

Finding the Fourth Proportional to 3,387.14, 5,081.92 and 2,087.08

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Solution

The fourth proportional to 3,387.14, 5,081.92 and 2,087.08 is: 3,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.14 : 5,081.92 = 2,087.08 : x
  2. Step 2: Convert to fraction form
    3,387.14/5,081.92 = 2,087.08/x
  3. Step 3: Cross multiply
    3,387.14x = 5,081.92 × 2,087.08
  4. Step 4: Simplify right side
    3,387.14x = 10,606,373.59
  5. Step 5: Solve for x
    x = 10,606,373.59/3,387.14
  6. Step 6: Final answer
    x = 3,131.37

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1.5x scale

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.