Home / 2,941.66-4,413.57-2,120.86

Finding the Fourth Proportional to 2,941.66, 4,413.57 and 2,120.86

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Solution

The fourth proportional to 2,941.66, 4,413.57 and 2,120.86 is: 3,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.66 : 4,413.57 = 2,120.86 : x
  2. Step 2: Convert to fraction form
    2,941.66/4,413.57 = 2,120.86/x
  3. Step 3: Cross multiply
    2,941.66x = 4,413.57 × 2,120.86
  4. Step 4: Simplify right side
    2,941.66x = 9,360,564.07
  5. Step 5: Solve for x
    x = 9,360,564.07/2,941.66
  6. Step 6: Final answer
    x = 3,182.07

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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.