Home / 3,772.94-5,213.43-2,935.80

Finding the Fourth Proportional to 3,772.94, 5,213.43 and 2,935.80

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Solution

The fourth proportional to 3,772.94, 5,213.43 and 2,935.80 is: 4,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.94 : 5,213.43 = 2,935.80 : x
  2. Step 2: Convert to fraction form
    3,772.94/5,213.43 = 2,935.80/x
  3. Step 3: Cross multiply
    3,772.94x = 5,213.43 × 2,935.80
  4. Step 4: Simplify right side
    3,772.94x = 15,305,587.79
  5. Step 5: Solve for x
    x = 15,305,587.79/3,772.94
  6. Step 6: Final answer
    x = 4,056.68

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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.