Home / 3,134.73-4,700.61-942.87

Finding the Fourth Proportional to 3,134.73, 4,700.61 and 942.87

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Solution

The fourth proportional to 3,134.73, 4,700.61 and 942.87 is: 1,413.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.73 : 4,700.61 = 942.87 : x
  2. Step 2: Convert to fraction form
    3,134.73/4,700.61 = 942.87/x
  3. Step 3: Cross multiply
    3,134.73x = 4,700.61 × 942.87
  4. Step 4: Simplify right side
    3,134.73x = 4,432,064.15
  5. Step 5: Solve for x
    x = 4,432,064.15/3,134.73
  6. Step 6: Final answer
    x = 1,413.86

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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.