Home / 3,687.15-5,084.37-2,847.99

Finding the Fourth Proportional to 3,687.15, 5,084.37 and 2,847.99

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Solution

The fourth proportional to 3,687.15, 5,084.37 and 2,847.99 is: 3,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.15 : 5,084.37 = 2,847.99 : x
  2. Step 2: Convert to fraction form
    3,687.15/5,084.37 = 2,847.99/x
  3. Step 3: Cross multiply
    3,687.15x = 5,084.37 × 2,847.99
  4. Step 4: Simplify right side
    3,687.15x = 14,480,234.92
  5. Step 5: Solve for x
    x = 14,480,234.92/3,687.15
  6. Step 6: Final answer
    x = 3,927.22

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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.