Home / 3,786.96-5,225.94-2,108.37

Finding the Fourth Proportional to 3,786.96, 5,225.94 and 2,108.37

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Solution

The fourth proportional to 3,786.96, 5,225.94 and 2,108.37 is: 2,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.96 : 5,225.94 = 2,108.37 : x
  2. Step 2: Convert to fraction form
    3,786.96/5,225.94 = 2,108.37/x
  3. Step 3: Cross multiply
    3,786.96x = 5,225.94 × 2,108.37
  4. Step 4: Simplify right side
    3,786.96x = 11,018,215.12
  5. Step 5: Solve for x
    x = 11,018,215.12/3,786.96
  6. Step 6: Final answer
    x = 2,909.51

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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.