Home / 3,413.86-5,122.40-1,769.52

Finding the Fourth Proportional to 3,413.86, 5,122.40 and 1,769.52

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Solution

The fourth proportional to 3,413.86, 5,122.40 and 1,769.52 is: 2,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.86 : 5,122.40 = 1,769.52 : x
  2. Step 2: Convert to fraction form
    3,413.86/5,122.40 = 1,769.52/x
  3. Step 3: Cross multiply
    3,413.86x = 5,122.40 × 1,769.52
  4. Step 4: Simplify right side
    3,413.86x = 9,064,189.25
  5. Step 5: Solve for x
    x = 9,064,189.25/3,413.86
  6. Step 6: Final answer
    x = 2,655.11

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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.