Home / 3,949.02-5,922.18-2,850.12

Finding the Fourth Proportional to 3,949.02, 5,922.18 and 2,850.12

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Solution

The fourth proportional to 3,949.02, 5,922.18 and 2,850.12 is: 4,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.02 : 5,922.18 = 2,850.12 : x
  2. Step 2: Convert to fraction form
    3,949.02/5,922.18 = 2,850.12/x
  3. Step 3: Cross multiply
    3,949.02x = 5,922.18 × 2,850.12
  4. Step 4: Simplify right side
    3,949.02x = 16,878,923.66
  5. Step 5: Solve for x
    x = 16,878,923.66/3,949.02
  6. Step 6: Final answer
    x = 4,274.21

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1.5x scale

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.