Home / 3,029.94-4,179.84-2,146.20

Finding the Fourth Proportional to 3,029.94, 4,179.84 and 2,146.20

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Solution

The fourth proportional to 3,029.94, 4,179.84 and 2,146.20 is: 2,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.94 : 4,179.84 = 2,146.20 : x
  2. Step 2: Convert to fraction form
    3,029.94/4,179.84 = 2,146.20/x
  3. Step 3: Cross multiply
    3,029.94x = 4,179.84 × 2,146.20
  4. Step 4: Simplify right side
    3,029.94x = 8,970,772.61
  5. Step 5: Solve for x
    x = 8,970,772.61/3,029.94
  6. Step 6: Final answer
    x = 2,960.71

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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.