Home / 3,692.07-5,538.87-1,743.21

Finding the Fourth Proportional to 3,692.07, 5,538.87 and 1,743.21

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Solution

The fourth proportional to 3,692.07, 5,538.87 and 1,743.21 is: 2,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.07 : 5,538.87 = 1,743.21 : x
  2. Step 2: Convert to fraction form
    3,692.07/5,538.87 = 1,743.21/x
  3. Step 3: Cross multiply
    3,692.07x = 5,538.87 × 1,743.21
  4. Step 4: Simplify right side
    3,692.07x = 9,655,413.57
  5. Step 5: Solve for x
    x = 9,655,413.57/3,692.07
  6. Step 6: Final answer
    x = 2,615.18

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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.