Home / 3,721.74-5,582.58-1,413.24

Finding the Fourth Proportional to 3,721.74, 5,582.58 and 1,413.24

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Solution

The fourth proportional to 3,721.74, 5,582.58 and 1,413.24 is: 2,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.74 : 5,582.58 = 1,413.24 : x
  2. Step 2: Convert to fraction form
    3,721.74/5,582.58 = 1,413.24/x
  3. Step 3: Cross multiply
    3,721.74x = 5,582.58 × 1,413.24
  4. Step 4: Simplify right side
    3,721.74x = 7,889,525.36
  5. Step 5: Solve for x
    x = 7,889,525.36/3,721.74
  6. Step 6: Final answer
    x = 2,119.85

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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.