Home / 3,393.36-5,090.11-2,230.78

Finding the Fourth Proportional to 3,393.36, 5,090.11 and 2,230.78

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Solution

The fourth proportional to 3,393.36, 5,090.11 and 2,230.78 is: 3,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.36 : 5,090.11 = 2,230.78 : x
  2. Step 2: Convert to fraction form
    3,393.36/5,090.11 = 2,230.78/x
  3. Step 3: Cross multiply
    3,393.36x = 5,090.11 × 2,230.78
  4. Step 4: Simplify right side
    3,393.36x = 11,354,890.14
  5. Step 5: Solve for x
    x = 11,354,890.14/3,393.36
  6. Step 6: Final answer
    x = 3,346.21

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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.