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Finding the Fourth Proportional to 3,358.05, 5,058.94 and 2,630.87

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Solution

The fourth proportional to 3,358.05, 5,058.94 and 2,630.87 is: 3,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.05 : 5,058.94 = 2,630.87 : x
  2. Step 2: Convert to fraction form
    3,358.05/5,058.94 = 2,630.87/x
  3. Step 3: Cross multiply
    3,358.05x = 5,058.94 × 2,630.87
  4. Step 4: Simplify right side
    3,358.05x = 13,309,413.48
  5. Step 5: Solve for x
    x = 13,309,413.48/3,358.05
  6. Step 6: Final answer
    x = 3,963.44

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.