Home / 3,134.60-4,700.40-942.56

Finding the Fourth Proportional to 3,134.60, 4,700.40 and 942.56

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Solution

The fourth proportional to 3,134.60, 4,700.40 and 942.56 is: 1,413.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.60 : 4,700.40 = 942.56 : x
  2. Step 2: Convert to fraction form
    3,134.60/4,700.40 = 942.56/x
  3. Step 3: Cross multiply
    3,134.60x = 4,700.40 × 942.56
  4. Step 4: Simplify right side
    3,134.60x = 4,430,409.02
  5. Step 5: Solve for x
    x = 4,430,409.02/3,134.60
  6. Step 6: Final answer
    x = 1,413.39

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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.