Home / 2,005.92-3,011.58-1,273.68

Finding the Fourth Proportional to 2,005.92, 3,011.58 and 1,273.68

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Solution

The fourth proportional to 2,005.92, 3,011.58 and 1,273.68 is: 1,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.92 : 3,011.58 = 1,273.68 : x
  2. Step 2: Convert to fraction form
    2,005.92/3,011.58 = 1,273.68/x
  3. Step 3: Cross multiply
    2,005.92x = 3,011.58 × 1,273.68
  4. Step 4: Simplify right side
    2,005.92x = 3,835,789.21
  5. Step 5: Solve for x
    x = 3,835,789.21/2,005.92
  6. Step 6: Final answer
    x = 1,912.23

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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.