Home / 2,086.09-3,129.10-1,982.27

Finding the Fourth Proportional to 2,086.09, 3,129.10 and 1,982.27

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Solution

The fourth proportional to 2,086.09, 3,129.10 and 1,982.27 is: 2,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086.09 : 3,129.10 = 1,982.27 : x
  2. Step 2: Convert to fraction form
    2,086.09/3,129.10 = 1,982.27/x
  3. Step 3: Cross multiply
    2,086.09x = 3,129.10 × 1,982.27
  4. Step 4: Simplify right side
    2,086.09x = 6,202,721.06
  5. Step 5: Solve for x
    x = 6,202,721.06/2,086.09
  6. Step 6: Final answer
    x = 2,973.37

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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.