Home / 3,521.72-5,282.58-1,413.29

Finding the Fourth Proportional to 3,521.72, 5,282.58 and 1,413.29

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Solution

The fourth proportional to 3,521.72, 5,282.58 and 1,413.29 is: 2,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.72 : 5,282.58 = 1,413.29 : x
  2. Step 2: Convert to fraction form
    3,521.72/5,282.58 = 1,413.29/x
  3. Step 3: Cross multiply
    3,521.72x = 5,282.58 × 1,413.29
  4. Step 4: Simplify right side
    3,521.72x = 7,465,791.08
  5. Step 5: Solve for x
    x = 7,465,791.08/3,521.72
  6. Step 6: Final answer
    x = 2,119.93

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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.