Home / 3,315.45-4,983.51-2,090.73

Finding the Fourth Proportional to 3,315.45, 4,983.51 and 2,090.73

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Solution

The fourth proportional to 3,315.45, 4,983.51 and 2,090.73 is: 3,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.45 : 4,983.51 = 2,090.73 : x
  2. Step 2: Convert to fraction form
    3,315.45/4,983.51 = 2,090.73/x
  3. Step 3: Cross multiply
    3,315.45x = 4,983.51 × 2,090.73
  4. Step 4: Simplify right side
    3,315.45x = 10,419,163.41
  5. Step 5: Solve for x
    x = 10,419,163.41/3,315.45
  6. Step 6: Final answer
    x = 3,142.61

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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.