Home / 3,727.83-5,141.01-2,885.85

Finding the Fourth Proportional to 3,727.83, 5,141.01 and 2,885.85

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Solution

The fourth proportional to 3,727.83, 5,141.01 and 2,885.85 is: 3,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.83 : 5,141.01 = 2,885.85 : x
  2. Step 2: Convert to fraction form
    3,727.83/5,141.01 = 2,885.85/x
  3. Step 3: Cross multiply
    3,727.83x = 5,141.01 × 2,885.85
  4. Step 4: Simplify right side
    3,727.83x = 14,836,183.71
  5. Step 5: Solve for x
    x = 14,836,183.71/3,727.83
  6. Step 6: Final answer
    x = 3,979.84

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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.