Home / 3,786.82-5,230.19-2,525.69

Finding the Fourth Proportional to 3,786.82, 5,230.19 and 2,525.69

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Solution

The fourth proportional to 3,786.82, 5,230.19 and 2,525.69 is: 3,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.82 : 5,230.19 = 2,525.69 : x
  2. Step 2: Convert to fraction form
    3,786.82/5,230.19 = 2,525.69/x
  3. Step 3: Cross multiply
    3,786.82x = 5,230.19 × 2,525.69
  4. Step 4: Simplify right side
    3,786.82x = 13,209,809.27
  5. Step 5: Solve for x
    x = 13,209,809.27/3,786.82
  6. Step 6: Final answer
    x = 3,488.36

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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.