Home / 2,413.10-3,619.63-1,929.22

Finding the Fourth Proportional to 2,413.10, 3,619.63 and 1,929.22

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Solution

The fourth proportional to 2,413.10, 3,619.63 and 1,929.22 is: 2,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.10 : 3,619.63 = 1,929.22 : x
  2. Step 2: Convert to fraction form
    2,413.10/3,619.63 = 1,929.22/x
  3. Step 3: Cross multiply
    2,413.10x = 3,619.63 × 1,929.22
  4. Step 4: Simplify right side
    2,413.10x = 6,983,034.84
  5. Step 5: Solve for x
    x = 6,983,034.84/2,413.10
  6. Step 6: Final answer
    x = 2,893.80

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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.