Home / 3,849.21-5,309.38-2,654.25

Finding the Fourth Proportional to 3,849.21, 5,309.38 and 2,654.25

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Solution

The fourth proportional to 3,849.21, 5,309.38 and 2,654.25 is: 3,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.21 : 5,309.38 = 2,654.25 : x
  2. Step 2: Convert to fraction form
    3,849.21/5,309.38 = 2,654.25/x
  3. Step 3: Cross multiply
    3,849.21x = 5,309.38 × 2,654.25
  4. Step 4: Simplify right side
    3,849.21x = 14,092,421.87
  5. Step 5: Solve for x
    x = 14,092,421.87/3,849.21
  6. Step 6: Final answer
    x = 3,661.12

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Similar ratio
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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.