Home / 2,942.12-4,413.03-1,138.76

Finding the Fourth Proportional to 2,942.12, 4,413.03 and 1,138.76

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Solution

The fourth proportional to 2,942.12, 4,413.03 and 1,138.76 is: 1,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.12 : 4,413.03 = 1,138.76 : x
  2. Step 2: Convert to fraction form
    2,942.12/4,413.03 = 1,138.76/x
  3. Step 3: Cross multiply
    2,942.12x = 4,413.03 × 1,138.76
  4. Step 4: Simplify right side
    2,942.12x = 5,025,378.66
  5. Step 5: Solve for x
    x = 5,025,378.66/2,942.12
  6. Step 6: Final answer
    x = 1,708.08

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1.5x scale

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.