Home / 2,027.91-2,798.62-1,143.70

Finding the Fourth Proportional to 2,027.91, 2,798.62 and 1,143.70

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Solution

The fourth proportional to 2,027.91, 2,798.62 and 1,143.70 is: 1,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.91 : 2,798.62 = 1,143.70 : x
  2. Step 2: Convert to fraction form
    2,027.91/2,798.62 = 1,143.70/x
  3. Step 3: Cross multiply
    2,027.91x = 2,798.62 × 1,143.70
  4. Step 4: Simplify right side
    2,027.91x = 3,200,761.98
  5. Step 5: Solve for x
    x = 3,200,761.98/2,027.91
  6. Step 6: Final answer
    x = 1,578.36

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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.