Home / 3,638.09-5,019.40-2,241.65

Finding the Fourth Proportional to 3,638.09, 5,019.40 and 2,241.65

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Solution

The fourth proportional to 3,638.09, 5,019.40 and 2,241.65 is: 3,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.09 : 5,019.40 = 2,241.65 : x
  2. Step 2: Convert to fraction form
    3,638.09/5,019.40 = 2,241.65/x
  3. Step 3: Cross multiply
    3,638.09x = 5,019.40 × 2,241.65
  4. Step 4: Simplify right side
    3,638.09x = 11,251,753.36
  5. Step 5: Solve for x
    x = 11,251,753.36/3,638.09
  6. Step 6: Final answer
    x = 3,092.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.