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Finding the Fourth Proportional to 3,558.68, 4,906.62 and 2,927

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Solution

The fourth proportional to 3,558.68, 4,906.62 and 2,927 is: 4,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.68 : 4,906.62 = 2,927 : x
  2. Step 2: Convert to fraction form
    3,558.68/4,906.62 = 2,927/x
  3. Step 3: Cross multiply
    3,558.68x = 4,906.62 × 2,927
  4. Step 4: Simplify right side
    3,558.68x = 14,361,676.74
  5. Step 5: Solve for x
    x = 14,361,676.74/3,558.68
  6. Step 6: Final answer
    x = 4,035.68

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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.