Home / 2,027.82-2,798.42-1,143.64

Finding the Fourth Proportional to 2,027.82, 2,798.42 and 1,143.64

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Solution

The fourth proportional to 2,027.82, 2,798.42 and 1,143.64 is: 1,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.82 : 2,798.42 = 1,143.64 : x
  2. Step 2: Convert to fraction form
    2,027.82/2,798.42 = 1,143.64/x
  3. Step 3: Cross multiply
    2,027.82x = 2,798.42 × 1,143.64
  4. Step 4: Simplify right side
    2,027.82x = 3,200,385.05
  5. Step 5: Solve for x
    x = 3,200,385.05/2,027.82
  6. Step 6: Final answer
    x = 1,578.24

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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.