Home / 2,942.16-4,413.48-1,210.56

Finding the Fourth Proportional to 2,942.16, 4,413.48 and 1,210.56

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Solution

The fourth proportional to 2,942.16, 4,413.48 and 1,210.56 is: 1,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.16 : 4,413.48 = 1,210.56 : x
  2. Step 2: Convert to fraction form
    2,942.16/4,413.48 = 1,210.56/x
  3. Step 3: Cross multiply
    2,942.16x = 4,413.48 × 1,210.56
  4. Step 4: Simplify right side
    2,942.16x = 5,342,782.35
  5. Step 5: Solve for x
    x = 5,342,782.35/2,942.16
  6. Step 6: Final answer
    x = 1,815.94

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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.