Home / 3,682.83-5,083.38-2,191.80

Finding the Fourth Proportional to 3,682.83, 5,083.38 and 2,191.80

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Solution

The fourth proportional to 3,682.83, 5,083.38 and 2,191.80 is: 3,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.83 : 5,083.38 = 2,191.80 : x
  2. Step 2: Convert to fraction form
    3,682.83/5,083.38 = 2,191.80/x
  3. Step 3: Cross multiply
    3,682.83x = 5,083.38 × 2,191.80
  4. Step 4: Simplify right side
    3,682.83x = 11,141,752.28
  5. Step 5: Solve for x
    x = 11,141,752.28/3,682.83
  6. Step 6: Final answer
    x = 3,025.32

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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.