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Finding the Fourth Proportional to 1,773.60, 2,447.74 and 1,027.54

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Solution

The fourth proportional to 1,773.60, 2,447.74 and 1,027.54 is: 1,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.60 : 2,447.74 = 1,027.54 : x
  2. Step 2: Convert to fraction form
    1,773.60/2,447.74 = 1,027.54/x
  3. Step 3: Cross multiply
    1,773.60x = 2,447.74 × 1,027.54
  4. Step 4: Simplify right side
    1,773.60x = 2,515,150.76
  5. Step 5: Solve for x
    x = 2,515,150.76/1,773.60
  6. Step 6: Final answer
    x = 1,418.10

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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.