Home / 3,107.94-4,660.91-1,027.55

Finding the Fourth Proportional to 3,107.94, 4,660.91 and 1,027.55

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Solution

The fourth proportional to 3,107.94, 4,660.91 and 1,027.55 is: 1,540.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.94 : 4,660.91 = 1,027.55 : x
  2. Step 2: Convert to fraction form
    3,107.94/4,660.91 = 1,027.55/x
  3. Step 3: Cross multiply
    3,107.94x = 4,660.91 × 1,027.55
  4. Step 4: Simplify right side
    3,107.94x = 4,789,318.07
  5. Step 5: Solve for x
    x = 4,789,318.07/3,107.94
  6. Step 6: Final answer
    x = 1,540.99

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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.