Home / 3,676.64-5,515.26-1,727.78

Finding the Fourth Proportional to 3,676.64, 5,515.26 and 1,727.78

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Solution

The fourth proportional to 3,676.64, 5,515.26 and 1,727.78 is: 2,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.64 : 5,515.26 = 1,727.78 : x
  2. Step 2: Convert to fraction form
    3,676.64/5,515.26 = 1,727.78/x
  3. Step 3: Cross multiply
    3,676.64x = 5,515.26 × 1,727.78
  4. Step 4: Simplify right side
    3,676.64x = 9,529,155.92
  5. Step 5: Solve for x
    x = 9,529,155.92/3,676.64
  6. Step 6: Final answer
    x = 2,591.81

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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.