Home / 3,519.40-4,857.87-2,724.33

Finding the Fourth Proportional to 3,519.40, 4,857.87 and 2,724.33

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Solution

The fourth proportional to 3,519.40, 4,857.87 and 2,724.33 is: 3,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.40 : 4,857.87 = 2,724.33 : x
  2. Step 2: Convert to fraction form
    3,519.40/4,857.87 = 2,724.33/x
  3. Step 3: Cross multiply
    3,519.40x = 4,857.87 × 2,724.33
  4. Step 4: Simplify right side
    3,519.40x = 13,234,469.41
  5. Step 5: Solve for x
    x = 13,234,469.41/3,519.40
  6. Step 6: Final answer
    x = 3,760.43

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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.