Home / 3,067.86-4,234.08-2,880.18

Finding the Fourth Proportional to 3,067.86, 4,234.08 and 2,880.18

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Solution

The fourth proportional to 3,067.86, 4,234.08 and 2,880.18 is: 3,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.86 : 4,234.08 = 2,880.18 : x
  2. Step 2: Convert to fraction form
    3,067.86/4,234.08 = 2,880.18/x
  3. Step 3: Cross multiply
    3,067.86x = 4,234.08 × 2,880.18
  4. Step 4: Simplify right side
    3,067.86x = 12,194,912.53
  5. Step 5: Solve for x
    x = 12,194,912.53/3,067.86
  6. Step 6: Final answer
    x = 3,975.06

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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.