Home / 3,850.64-5,777.40-2,884.88

Finding the Fourth Proportional to 3,850.64, 5,777.40 and 2,884.88

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Solution

The fourth proportional to 3,850.64, 5,777.40 and 2,884.88 is: 4,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.64 : 5,777.40 = 2,884.88 : x
  2. Step 2: Convert to fraction form
    3,850.64/5,777.40 = 2,884.88/x
  3. Step 3: Cross multiply
    3,850.64x = 5,777.40 × 2,884.88
  4. Step 4: Simplify right side
    3,850.64x = 16,667,105.71
  5. Step 5: Solve for x
    x = 16,667,105.71/3,850.64
  6. Step 6: Final answer
    x = 4,328.40

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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.