Home / 4,115.09-5,676.20-2,698.86

Finding the Fourth Proportional to 4,115.09, 5,676.20 and 2,698.86

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Solution

The fourth proportional to 4,115.09, 5,676.20 and 2,698.86 is: 3,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.09 : 5,676.20 = 2,698.86 : x
  2. Step 2: Convert to fraction form
    4,115.09/5,676.20 = 2,698.86/x
  3. Step 3: Cross multiply
    4,115.09x = 5,676.20 × 2,698.86
  4. Step 4: Simplify right side
    4,115.09x = 15,319,255.64
  5. Step 5: Solve for x
    x = 15,319,255.64/4,115.09
  6. Step 6: Final answer
    x = 3,722.71

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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.