Home / 3,777.72-5,212.46-2,285.34

Finding the Fourth Proportional to 3,777.72, 5,212.46 and 2,285.34

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Solution

The fourth proportional to 3,777.72, 5,212.46 and 2,285.34 is: 3,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.72 : 5,212.46 = 2,285.34 : x
  2. Step 2: Convert to fraction form
    3,777.72/5,212.46 = 2,285.34/x
  3. Step 3: Cross multiply
    3,777.72x = 5,212.46 × 2,285.34
  4. Step 4: Simplify right side
    3,777.72x = 11,912,243.34
  5. Step 5: Solve for x
    x = 11,912,243.34/3,777.72
  6. Step 6: Final answer
    x = 3,153.29

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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.