Home / 3,994.22-5,991.33-1,397.15

Finding the Fourth Proportional to 3,994.22, 5,991.33 and 1,397.15

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Solution

The fourth proportional to 3,994.22, 5,991.33 and 1,397.15 is: 2,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.22 : 5,991.33 = 1,397.15 : x
  2. Step 2: Convert to fraction form
    3,994.22/5,991.33 = 1,397.15/x
  3. Step 3: Cross multiply
    3,994.22x = 5,991.33 × 1,397.15
  4. Step 4: Simplify right side
    3,994.22x = 8,370,786.71
  5. Step 5: Solve for x
    x = 8,370,786.71/3,994.22
  6. Step 6: Final answer
    x = 2,095.73

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Similar ratio
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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.