Home / 3,676.35-5,073.41-1,997.78

Finding the Fourth Proportional to 3,676.35, 5,073.41 and 1,997.78

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Solution

The fourth proportional to 3,676.35, 5,073.41 and 1,997.78 is: 2,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.35 : 5,073.41 = 1,997.78 : x
  2. Step 2: Convert to fraction form
    3,676.35/5,073.41 = 1,997.78/x
  3. Step 3: Cross multiply
    3,676.35x = 5,073.41 × 1,997.78
  4. Step 4: Simplify right side
    3,676.35x = 10,135,574.71
  5. Step 5: Solve for x
    x = 10,135,574.71/3,676.35
  6. Step 6: Final answer
    x = 2,756.97

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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.