Home / 3,745.49-5,164.92-2,486.09

Finding the Fourth Proportional to 3,745.49, 5,164.92 and 2,486.09

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Solution

The fourth proportional to 3,745.49, 5,164.92 and 2,486.09 is: 3,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.49 : 5,164.92 = 2,486.09 : x
  2. Step 2: Convert to fraction form
    3,745.49/5,164.92 = 2,486.09/x
  3. Step 3: Cross multiply
    3,745.49x = 5,164.92 × 2,486.09
  4. Step 4: Simplify right side
    3,745.49x = 12,840,455.96
  5. Step 5: Solve for x
    x = 12,840,455.96/3,745.49
  6. Step 6: Final answer
    x = 3,428.24

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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.