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Finding the Fourth Proportional to 2,027.58, 2,798.07 and 1,143.39

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Solution

The fourth proportional to 2,027.58, 2,798.07 and 1,143.39 is: 1,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.58 : 2,798.07 = 1,143.39 : x
  2. Step 2: Convert to fraction form
    2,027.58/2,798.07 = 1,143.39/x
  3. Step 3: Cross multiply
    2,027.58x = 2,798.07 × 1,143.39
  4. Step 4: Simplify right side
    2,027.58x = 3,199,285.26
  5. Step 5: Solve for x
    x = 3,199,285.26/2,027.58
  6. Step 6: Final answer
    x = 1,577.88

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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.