Home / 3,783.37-5,670.85-2,855.92

Finding the Fourth Proportional to 3,783.37, 5,670.85 and 2,855.92

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Solution

The fourth proportional to 3,783.37, 5,670.85 and 2,855.92 is: 4,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.37 : 5,670.85 = 2,855.92 : x
  2. Step 2: Convert to fraction form
    3,783.37/5,670.85 = 2,855.92/x
  3. Step 3: Cross multiply
    3,783.37x = 5,670.85 × 2,855.92
  4. Step 4: Simplify right side
    3,783.37x = 16,195,493.93
  5. Step 5: Solve for x
    x = 16,195,493.93/3,783.37
  6. Step 6: Final answer
    x = 4,280.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.