Home / 4,161.02-6,236.31-2,081.61

Finding the Fourth Proportional to 4,161.02, 6,236.31 and 2,081.61

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Solution

The fourth proportional to 4,161.02, 6,236.31 and 2,081.61 is: 3,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.02 : 6,236.31 = 2,081.61 : x
  2. Step 2: Convert to fraction form
    4,161.02/6,236.31 = 2,081.61/x
  3. Step 3: Cross multiply
    4,161.02x = 6,236.31 × 2,081.61
  4. Step 4: Simplify right side
    4,161.02x = 12,981,565.26
  5. Step 5: Solve for x
    x = 12,981,565.26/4,161.02
  6. Step 6: Final answer
    x = 3,119.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.