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Finding the Fourth Proportional to 2,367.89, 3,267.70 and 1,320.02

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Solution

The fourth proportional to 2,367.89, 3,267.70 and 1,320.02 is: 1,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.89 : 3,267.70 = 1,320.02 : x
  2. Step 2: Convert to fraction form
    2,367.89/3,267.70 = 1,320.02/x
  3. Step 3: Cross multiply
    2,367.89x = 3,267.70 × 1,320.02
  4. Step 4: Simplify right side
    2,367.89x = 4,313,413.02
  5. Step 5: Solve for x
    x = 4,313,413.02/2,367.89
  6. Step 6: Final answer
    x = 1,821.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.