Home / 3,608.49-5,413.61-1,852.81

Finding the Fourth Proportional to 3,608.49, 5,413.61 and 1,852.81

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Solution

The fourth proportional to 3,608.49, 5,413.61 and 1,852.81 is: 2,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.49 : 5,413.61 = 1,852.81 : x
  2. Step 2: Convert to fraction form
    3,608.49/5,413.61 = 1,852.81/x
  3. Step 3: Cross multiply
    3,608.49x = 5,413.61 × 1,852.81
  4. Step 4: Simplify right side
    3,608.49x = 10,030,390.74
  5. Step 5: Solve for x
    x = 10,030,390.74/3,608.49
  6. Step 6: Final answer
    x = 2,779.66

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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.