Home / 3,946.73-5,909.15-1,994.85

Finding the Fourth Proportional to 3,946.73, 5,909.15 and 1,994.85

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Solution

The fourth proportional to 3,946.73, 5,909.15 and 1,994.85 is: 2,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.73 : 5,909.15 = 1,994.85 : x
  2. Step 2: Convert to fraction form
    3,946.73/5,909.15 = 1,994.85/x
  3. Step 3: Cross multiply
    3,946.73x = 5,909.15 × 1,994.85
  4. Step 4: Simplify right side
    3,946.73x = 11,787,872.86
  5. Step 5: Solve for x
    x = 11,787,872.86/3,946.73
  6. Step 6: Final answer
    x = 2,986.75

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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.