Home / 3,721.56-5,582.34-1,413.06

Finding the Fourth Proportional to 3,721.56, 5,582.34 and 1,413.06

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Solution

The fourth proportional to 3,721.56, 5,582.34 and 1,413.06 is: 2,119.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.56 : 5,582.34 = 1,413.06 : x
  2. Step 2: Convert to fraction form
    3,721.56/5,582.34 = 1,413.06/x
  3. Step 3: Cross multiply
    3,721.56x = 5,582.34 × 1,413.06
  4. Step 4: Simplify right side
    3,721.56x = 7,888,181.36
  5. Step 5: Solve for x
    x = 7,888,181.36/3,721.56
  6. Step 6: Final answer
    x = 2,119.59

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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.