Home / 1,413.05-1,959.19-1,367.48

Finding the Fourth Proportional to 1,413.05, 1,959.19 and 1,367.48

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Solution

The fourth proportional to 1,413.05, 1,959.19 and 1,367.48 is: 1,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.05 : 1,959.19 = 1,367.48 : x
  2. Step 2: Convert to fraction form
    1,413.05/1,959.19 = 1,367.48/x
  3. Step 3: Cross multiply
    1,413.05x = 1,959.19 × 1,367.48
  4. Step 4: Simplify right side
    1,413.05x = 2,679,154.62
  5. Step 5: Solve for x
    x = 2,679,154.62/1,413.05
  6. Step 6: Final answer
    x = 1,896.02

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.