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Finding the Fourth Proportional to 3,149.00, 4,723.77 and 957.75

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Solution

The fourth proportional to 3,149.00, 4,723.77 and 957.75 is: 1,436.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.00 : 4,723.77 = 957.75 : x
  2. Step 2: Convert to fraction form
    3,149.00/4,723.77 = 957.75/x
  3. Step 3: Cross multiply
    3,149.00x = 4,723.77 × 957.75
  4. Step 4: Simplify right side
    3,149.00x = 4,524,190.72
  5. Step 5: Solve for x
    x = 4,524,190.72/3,149.00
  6. Step 6: Final answer
    x = 1,436.71

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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.