Home / 4,249.20-5,863.68-2,386.20

Finding the Fourth Proportional to 4,249.20, 5,863.68 and 2,386.20

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Solution

The fourth proportional to 4,249.20, 5,863.68 and 2,386.20 is: 3,292.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.20 : 5,863.68 = 2,386.20 : x
  2. Step 2: Convert to fraction form
    4,249.20/5,863.68 = 2,386.20/x
  3. Step 3: Cross multiply
    4,249.20x = 5,863.68 × 2,386.20
  4. Step 4: Simplify right side
    4,249.20x = 13,991,913.22
  5. Step 5: Solve for x
    x = 13,991,913.22/4,249.20
  6. Step 6: Final answer
    x = 3,292.83

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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.