Home / 3,681.87-5,081.11-2,110.27

Finding the Fourth Proportional to 3,681.87, 5,081.11 and 2,110.27

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Solution

The fourth proportional to 3,681.87, 5,081.11 and 2,110.27 is: 2,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.87 : 5,081.11 = 2,110.27 : x
  2. Step 2: Convert to fraction form
    3,681.87/5,081.11 = 2,110.27/x
  3. Step 3: Cross multiply
    3,681.87x = 5,081.11 × 2,110.27
  4. Step 4: Simplify right side
    3,681.87x = 10,722,514.00
  5. Step 5: Solve for x
    x = 10,722,514.00/3,681.87
  6. Step 6: Final answer
    x = 2,912.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.