Home / 2,890.54-4,336.26-942.29

Finding the Fourth Proportional to 2,890.54, 4,336.26 and 942.29

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Solution

The fourth proportional to 2,890.54, 4,336.26 and 942.29 is: 1,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.54 : 4,336.26 = 942.29 : x
  2. Step 2: Convert to fraction form
    2,890.54/4,336.26 = 942.29/x
  3. Step 3: Cross multiply
    2,890.54x = 4,336.26 × 942.29
  4. Step 4: Simplify right side
    2,890.54x = 4,086,014.44
  5. Step 5: Solve for x
    x = 4,086,014.44/2,890.54
  6. Step 6: Final answer
    x = 1,413.58

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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.