Home / 4,229.39-5,836.61-2,636.68

Finding the Fourth Proportional to 4,229.39, 5,836.61 and 2,636.68

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Solution

The fourth proportional to 4,229.39, 5,836.61 and 2,636.68 is: 3,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.39 : 5,836.61 = 2,636.68 : x
  2. Step 2: Convert to fraction form
    4,229.39/5,836.61 = 2,636.68/x
  3. Step 3: Cross multiply
    4,229.39x = 5,836.61 × 2,636.68
  4. Step 4: Simplify right side
    4,229.39x = 15,389,272.85
  5. Step 5: Solve for x
    x = 15,389,272.85/4,229.39
  6. Step 6: Final answer
    x = 3,638.65

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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.