Home / 3,398.21-5,094.27-2,162.15

Finding the Fourth Proportional to 3,398.21, 5,094.27 and 2,162.15

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Solution

The fourth proportional to 3,398.21, 5,094.27 and 2,162.15 is: 3,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.21 : 5,094.27 = 2,162.15 : x
  2. Step 2: Convert to fraction form
    3,398.21/5,094.27 = 2,162.15/x
  3. Step 3: Cross multiply
    3,398.21x = 5,094.27 × 2,162.15
  4. Step 4: Simplify right side
    3,398.21x = 11,014,575.88
  5. Step 5: Solve for x
    x = 11,014,575.88/3,398.21
  6. Step 6: Final answer
    x = 3,241.29

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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.