Home / 3,396.18-5,093.86-931.22

Finding the Fourth Proportional to 3,396.18, 5,093.86 and 931.22

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Solution

The fourth proportional to 3,396.18, 5,093.86 and 931.22 is: 1,396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.18 : 5,093.86 = 931.22 : x
  2. Step 2: Convert to fraction form
    3,396.18/5,093.86 = 931.22/x
  3. Step 3: Cross multiply
    3,396.18x = 5,093.86 × 931.22
  4. Step 4: Simplify right side
    3,396.18x = 4,743,504.31
  5. Step 5: Solve for x
    x = 4,743,504.31/3,396.18
  6. Step 6: Final answer
    x = 1,396.72

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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.