Home / 3,777.45-5,212.92-2,285.09

Finding the Fourth Proportional to 3,777.45, 5,212.92 and 2,285.09

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Solution

The fourth proportional to 3,777.45, 5,212.92 and 2,285.09 is: 3,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.45 : 5,212.92 = 2,285.09 : x
  2. Step 2: Convert to fraction form
    3,777.45/5,212.92 = 2,285.09/x
  3. Step 3: Cross multiply
    3,777.45x = 5,212.92 × 2,285.09
  4. Step 4: Simplify right side
    3,777.45x = 11,911,991.36
  5. Step 5: Solve for x
    x = 11,911,991.36/3,777.45
  6. Step 6: Final answer
    x = 3,153.45

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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.