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Finding the Fourth Proportional to 1,858.92, 2,773.34 and 1,791.68

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Solution

The fourth proportional to 1,858.92, 2,773.34 and 1,791.68 is: 2,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.92 : 2,773.34 = 1,791.68 : x
  2. Step 2: Convert to fraction form
    1,858.92/2,773.34 = 1,791.68/x
  3. Step 3: Cross multiply
    1,858.92x = 2,773.34 × 1,791.68
  4. Step 4: Simplify right side
    1,858.92x = 4,968,937.81
  5. Step 5: Solve for x
    x = 4,968,937.81/1,858.92
  6. Step 6: Final answer
    x = 2,673.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.