Home / 3,776.96-5,212.82-2,205.04

Finding the Fourth Proportional to 3,776.96, 5,212.82 and 2,205.04

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Solution

The fourth proportional to 3,776.96, 5,212.82 and 2,205.04 is: 3,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.96 : 5,212.82 = 2,205.04 : x
  2. Step 2: Convert to fraction form
    3,776.96/5,212.82 = 2,205.04/x
  3. Step 3: Cross multiply
    3,776.96x = 5,212.82 × 2,205.04
  4. Step 4: Simplify right side
    3,776.96x = 11,494,476.61
  5. Step 5: Solve for x
    x = 11,494,476.61/3,776.96
  6. Step 6: Final answer
    x = 3,043.31

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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.