Home / 3,983.86-5,493.96-3,037.99

Finding the Fourth Proportional to 3,983.86, 5,493.96 and 3,037.99

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Solution

The fourth proportional to 3,983.86, 5,493.96 and 3,037.99 is: 4,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.86 : 5,493.96 = 3,037.99 : x
  2. Step 2: Convert to fraction form
    3,983.86/5,493.96 = 3,037.99/x
  3. Step 3: Cross multiply
    3,983.86x = 5,493.96 × 3,037.99
  4. Step 4: Simplify right side
    3,983.86x = 16,690,595.54
  5. Step 5: Solve for x
    x = 16,690,595.54/3,983.86
  6. Step 6: Final answer
    x = 4,189.55

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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.