Home / 3,786.11-5,221.88-2,460.24

Finding the Fourth Proportional to 3,786.11, 5,221.88 and 2,460.24

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Solution

The fourth proportional to 3,786.11, 5,221.88 and 2,460.24 is: 3,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.11 : 5,221.88 = 2,460.24 : x
  2. Step 2: Convert to fraction form
    3,786.11/5,221.88 = 2,460.24/x
  3. Step 3: Cross multiply
    3,786.11x = 5,221.88 × 2,460.24
  4. Step 4: Simplify right side
    3,786.11x = 12,847,078.80
  5. Step 5: Solve for x
    x = 12,847,078.80/3,786.11
  6. Step 6: Final answer
    x = 3,393.21

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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.