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Finding the Fourth Proportional to 3,981.80, 5,967.84 and 2,246.84

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Solution

The fourth proportional to 3,981.80, 5,967.84 and 2,246.84 is: 3,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.80 : 5,967.84 = 2,246.84 : x
  2. Step 2: Convert to fraction form
    3,981.80/5,967.84 = 2,246.84/x
  3. Step 3: Cross multiply
    3,981.80x = 5,967.84 × 2,246.84
  4. Step 4: Simplify right side
    3,981.80x = 13,408,781.63
  5. Step 5: Solve for x
    x = 13,408,781.63/3,981.80
  6. Step 6: Final answer
    x = 3,367.52

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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.