Home / 3,396.23-5,094.20-931.29

Finding the Fourth Proportional to 3,396.23, 5,094.20 and 931.29

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Solution

The fourth proportional to 3,396.23, 5,094.20 and 931.29 is: 1,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.23 : 5,094.20 = 931.29 : x
  2. Step 2: Convert to fraction form
    3,396.23/5,094.20 = 931.29/x
  3. Step 3: Cross multiply
    3,396.23x = 5,094.20 × 931.29
  4. Step 4: Simplify right side
    3,396.23x = 4,744,172.86
  5. Step 5: Solve for x
    x = 4,744,172.86/3,396.23
  6. Step 6: Final answer
    x = 1,396.90

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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.