Home / 1,382.44-2,073.60-942.59

Finding the Fourth Proportional to 1,382.44, 2,073.60 and 942.59

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Solution

The fourth proportional to 1,382.44, 2,073.60 and 942.59 is: 1,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382.44 : 2,073.60 = 942.59 : x
  2. Step 2: Convert to fraction form
    1,382.44/2,073.60 = 942.59/x
  3. Step 3: Cross multiply
    1,382.44x = 2,073.60 × 942.59
  4. Step 4: Simplify right side
    1,382.44x = 1,954,539.54
  5. Step 5: Solve for x
    x = 1,954,539.54/1,382.44
  6. Step 6: Final answer
    x = 1,413.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.