Home / 3,786.94-5,225.93-2,108.32

Finding the Fourth Proportional to 3,786.94, 5,225.93 and 2,108.32

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Solution

The fourth proportional to 3,786.94, 5,225.93 and 2,108.32 is: 2,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.94 : 5,225.93 = 2,108.32 : x
  2. Step 2: Convert to fraction form
    3,786.94/5,225.93 = 2,108.32/x
  3. Step 3: Cross multiply
    3,786.94x = 5,225.93 × 2,108.32
  4. Step 4: Simplify right side
    3,786.94x = 11,017,932.74
  5. Step 5: Solve for x
    x = 11,017,932.74/3,786.94
  6. Step 6: Final answer
    x = 2,909.46

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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.