Home / 3,134.07-4,701.42-942.39

Finding the Fourth Proportional to 3,134.07, 4,701.42 and 942.39

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Solution

The fourth proportional to 3,134.07, 4,701.42 and 942.39 is: 1,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.07 : 4,701.42 = 942.39 : x
  2. Step 2: Convert to fraction form
    3,134.07/4,701.42 = 942.39/x
  3. Step 3: Cross multiply
    3,134.07x = 4,701.42 × 942.39
  4. Step 4: Simplify right side
    3,134.07x = 4,430,571.19
  5. Step 5: Solve for x
    x = 4,430,571.19/3,134.07
  6. Step 6: Final answer
    x = 1,413.68

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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.