Home / 3,979.48-5,964.93-2,519.05

Finding the Fourth Proportional to 3,979.48, 5,964.93 and 2,519.05

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Solution

The fourth proportional to 3,979.48, 5,964.93 and 2,519.05 is: 3,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.48 : 5,964.93 = 2,519.05 : x
  2. Step 2: Convert to fraction form
    3,979.48/5,964.93 = 2,519.05/x
  3. Step 3: Cross multiply
    3,979.48x = 5,964.93 × 2,519.05
  4. Step 4: Simplify right side
    3,979.48x = 15,025,956.92
  5. Step 5: Solve for x
    x = 15,025,956.92/3,979.48
  6. Step 6: Final answer
    x = 3,775.86

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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.