Home / 2,979.68-4,467.36-2,247.44

Finding the Fourth Proportional to 2,979.68, 4,467.36 and 2,247.44

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Solution

The fourth proportional to 2,979.68, 4,467.36 and 2,247.44 is: 3,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.68 : 4,467.36 = 2,247.44 : x
  2. Step 2: Convert to fraction form
    2,979.68/4,467.36 = 2,247.44/x
  3. Step 3: Cross multiply
    2,979.68x = 4,467.36 × 2,247.44
  4. Step 4: Simplify right side
    2,979.68x = 10,040,123.56
  5. Step 5: Solve for x
    x = 10,040,123.56/2,979.68
  6. Step 6: Final answer
    x = 3,369.53

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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.