Home / 3,609.40-5,414.10-2,054.20

Finding the Fourth Proportional to 3,609.40, 5,414.10 and 2,054.20

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Solution

The fourth proportional to 3,609.40, 5,414.10 and 2,054.20 is: 3,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.40 : 5,414.10 = 2,054.20 : x
  2. Step 2: Convert to fraction form
    3,609.40/5,414.10 = 2,054.20/x
  3. Step 3: Cross multiply
    3,609.40x = 5,414.10 × 2,054.20
  4. Step 4: Simplify right side
    3,609.40x = 11,121,644.22
  5. Step 5: Solve for x
    x = 11,121,644.22/3,609.40
  6. Step 6: Final answer
    x = 3,081.30

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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.