Home / 3,396.33-5,094.45-931.15

Finding the Fourth Proportional to 3,396.33, 5,094.45 and 931.15

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Solution

The fourth proportional to 3,396.33, 5,094.45 and 931.15 is: 1,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.33 : 5,094.45 = 931.15 : x
  2. Step 2: Convert to fraction form
    3,396.33/5,094.45 = 931.15/x
  3. Step 3: Cross multiply
    3,396.33x = 5,094.45 × 931.15
  4. Step 4: Simplify right side
    3,396.33x = 4,743,697.12
  5. Step 5: Solve for x
    x = 4,743,697.12/3,396.33
  6. Step 6: Final answer
    x = 1,396.71

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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.