Home / 3,481.13-5,214.40-2,019.49

Finding the Fourth Proportional to 3,481.13, 5,214.40 and 2,019.49

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Solution

The fourth proportional to 3,481.13, 5,214.40 and 2,019.49 is: 3,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.13 : 5,214.40 = 2,019.49 : x
  2. Step 2: Convert to fraction form
    3,481.13/5,214.40 = 2,019.49/x
  3. Step 3: Cross multiply
    3,481.13x = 5,214.40 × 2,019.49
  4. Step 4: Simplify right side
    3,481.13x = 10,530,428.66
  5. Step 5: Solve for x
    x = 10,530,428.66/3,481.13
  6. Step 6: Final answer
    x = 3,025.00

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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.