Home / 3,682.09-5,079.61-2,189.16

Finding the Fourth Proportional to 3,682.09, 5,079.61 and 2,189.16

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Solution

The fourth proportional to 3,682.09, 5,079.61 and 2,189.16 is: 3,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.09 : 5,079.61 = 2,189.16 : x
  2. Step 2: Convert to fraction form
    3,682.09/5,079.61 = 2,189.16/x
  3. Step 3: Cross multiply
    3,682.09x = 5,079.61 × 2,189.16
  4. Step 4: Simplify right side
    3,682.09x = 11,120,079.03
  5. Step 5: Solve for x
    x = 11,120,079.03/3,682.09
  6. Step 6: Final answer
    x = 3,020.05

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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.