Home / 3,777.24-5,212.60-2,205.04

Finding the Fourth Proportional to 3,777.24, 5,212.60 and 2,205.04

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Solution

The fourth proportional to 3,777.24, 5,212.60 and 2,205.04 is: 3,042.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.24 : 5,212.60 = 2,205.04 : x
  2. Step 2: Convert to fraction form
    3,777.24/5,212.60 = 2,205.04/x
  3. Step 3: Cross multiply
    3,777.24x = 5,212.60 × 2,205.04
  4. Step 4: Simplify right side
    3,777.24x = 11,493,991.50
  5. Step 5: Solve for x
    x = 11,493,991.50/3,777.24
  6. Step 6: Final answer
    x = 3,042.96

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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.