Home / 3,682.13-5,081.31-2,089.08

Finding the Fourth Proportional to 3,682.13, 5,081.31 and 2,089.08

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Solution

The fourth proportional to 3,682.13, 5,081.31 and 2,089.08 is: 2,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.13 : 5,081.31 = 2,089.08 : x
  2. Step 2: Convert to fraction form
    3,682.13/5,081.31 = 2,089.08/x
  3. Step 3: Cross multiply
    3,682.13x = 5,081.31 × 2,089.08
  4. Step 4: Simplify right side
    3,682.13x = 10,615,263.09
  5. Step 5: Solve for x
    x = 10,615,263.09/3,682.13
  6. Step 6: Final answer
    x = 2,882.92

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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.