Home / 2,241.24-3,360.78-942.36

Finding the Fourth Proportional to 2,241.24, 3,360.78 and 942.36

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Solution

The fourth proportional to 2,241.24, 3,360.78 and 942.36 is: 1,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.24 : 3,360.78 = 942.36 : x
  2. Step 2: Convert to fraction form
    2,241.24/3,360.78 = 942.36/x
  3. Step 3: Cross multiply
    2,241.24x = 3,360.78 × 942.36
  4. Step 4: Simplify right side
    2,241.24x = 3,167,064.64
  5. Step 5: Solve for x
    x = 3,167,064.64/2,241.24
  6. Step 6: Final answer
    x = 1,413.09

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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.