Home / 3,682.27-5,079.27-2,189.17

Finding the Fourth Proportional to 3,682.27, 5,079.27 and 2,189.17

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Solution

The fourth proportional to 3,682.27, 5,079.27 and 2,189.17 is: 3,019.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.27 : 5,079.27 = 2,189.17 : x
  2. Step 2: Convert to fraction form
    3,682.27/5,079.27 = 2,189.17/x
  3. Step 3: Cross multiply
    3,682.27x = 5,079.27 × 2,189.17
  4. Step 4: Simplify right side
    3,682.27x = 11,119,385.51
  5. Step 5: Solve for x
    x = 11,119,385.51/3,682.27
  6. Step 6: Final answer
    x = 3,019.71

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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.