Home / 3,079.86-4,246.83-2,083.42

Finding the Fourth Proportional to 3,079.86, 4,246.83 and 2,083.42

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Solution

The fourth proportional to 3,079.86, 4,246.83 and 2,083.42 is: 2,872.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.86 : 4,246.83 = 2,083.42 : x
  2. Step 2: Convert to fraction form
    3,079.86/4,246.83 = 2,083.42/x
  3. Step 3: Cross multiply
    3,079.86x = 4,246.83 × 2,083.42
  4. Step 4: Simplify right side
    3,079.86x = 8,847,930.56
  5. Step 5: Solve for x
    x = 8,847,930.56/3,079.86
  6. Step 6: Final answer
    x = 2,872.84

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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.