Home / 3,682.13-5,081.33-2,111.13

Finding the Fourth Proportional to 3,682.13, 5,081.33 and 2,111.13

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Solution

The fourth proportional to 3,682.13, 5,081.33 and 2,111.13 is: 2,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.13 : 5,081.33 = 2,111.13 : x
  2. Step 2: Convert to fraction form
    3,682.13/5,081.33 = 2,111.13/x
  3. Step 3: Cross multiply
    3,682.13x = 5,081.33 × 2,111.13
  4. Step 4: Simplify right side
    3,682.13x = 10,727,353.48
  5. Step 5: Solve for x
    x = 10,727,353.48/3,682.13
  6. Step 6: Final answer
    x = 2,913.36

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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.