Home / 3,685.20-5,084.93-2,192.87

Finding the Fourth Proportional to 3,685.20, 5,084.93 and 2,192.87

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Solution

The fourth proportional to 3,685.20, 5,084.93 and 2,192.87 is: 3,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.20 : 5,084.93 = 2,192.87 : x
  2. Step 2: Convert to fraction form
    3,685.20/5,084.93 = 2,192.87/x
  3. Step 3: Cross multiply
    3,685.20x = 5,084.93 × 2,192.87
  4. Step 4: Simplify right side
    3,685.20x = 11,150,596.31
  5. Step 5: Solve for x
    x = 11,150,596.31/3,685.20
  6. Step 6: Final answer
    x = 3,025.78

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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.