Home / 2,942.07-4,413.06-1,209.48

Finding the Fourth Proportional to 2,942.07, 4,413.06 and 1,209.48

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Solution

The fourth proportional to 2,942.07, 4,413.06 and 1,209.48 is: 1,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.07 : 4,413.06 = 1,209.48 : x
  2. Step 2: Convert to fraction form
    2,942.07/4,413.06 = 1,209.48/x
  3. Step 3: Cross multiply
    2,942.07x = 4,413.06 × 1,209.48
  4. Step 4: Simplify right side
    2,942.07x = 5,337,507.81
  5. Step 5: Solve for x
    x = 5,337,507.81/2,942.07
  6. Step 6: Final answer
    x = 1,814.20

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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.