Home / 4,249.48-5,863.76-2,479.80

Finding the Fourth Proportional to 4,249.48, 5,863.76 and 2,479.80

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Solution

The fourth proportional to 4,249.48, 5,863.76 and 2,479.80 is: 3,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.48 : 5,863.76 = 2,479.80 : x
  2. Step 2: Convert to fraction form
    4,249.48/5,863.76 = 2,479.80/x
  3. Step 3: Cross multiply
    4,249.48x = 5,863.76 × 2,479.80
  4. Step 4: Simplify right side
    4,249.48x = 14,540,952.05
  5. Step 5: Solve for x
    x = 14,540,952.05/4,249.48
  6. Step 6: Final answer
    x = 3,421.82

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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.