Home / 3,179.49-4,388.09-2,000.54

Finding the Fourth Proportional to 3,179.49, 4,388.09 and 2,000.54

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Solution

The fourth proportional to 3,179.49, 4,388.09 and 2,000.54 is: 2,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.49 : 4,388.09 = 2,000.54 : x
  2. Step 2: Convert to fraction form
    3,179.49/4,388.09 = 2,000.54/x
  3. Step 3: Cross multiply
    3,179.49x = 4,388.09 × 2,000.54
  4. Step 4: Simplify right side
    3,179.49x = 8,778,517.63
  5. Step 5: Solve for x
    x = 8,778,517.63/3,179.49
  6. Step 6: Final answer
    x = 2,760.98

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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.