Home / 3,106.29-4,659.44-2,129.43

Finding the Fourth Proportional to 3,106.29, 4,659.44 and 2,129.43

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Solution

The fourth proportional to 3,106.29, 4,659.44 and 2,129.43 is: 3,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.29 : 4,659.44 = 2,129.43 : x
  2. Step 2: Convert to fraction form
    3,106.29/4,659.44 = 2,129.43/x
  3. Step 3: Cross multiply
    3,106.29x = 4,659.44 × 2,129.43
  4. Step 4: Simplify right side
    3,106.29x = 9,921,940.67
  5. Step 5: Solve for x
    x = 9,921,940.67/3,106.29
  6. Step 6: Final answer
    x = 3,194.15

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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.