Home / 3,413.04-5,106.60-2,111.28

Finding the Fourth Proportional to 3,413.04, 5,106.60 and 2,111.28

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Solution

The fourth proportional to 3,413.04, 5,106.60 and 2,111.28 is: 3,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.04 : 5,106.60 = 2,111.28 : x
  2. Step 2: Convert to fraction form
    3,413.04/5,106.60 = 2,111.28/x
  3. Step 3: Cross multiply
    3,413.04x = 5,106.60 × 2,111.28
  4. Step 4: Simplify right side
    3,413.04x = 10,781,462.45
  5. Step 5: Solve for x
    x = 10,781,462.45/3,413.04
  6. Step 6: Final answer
    x = 3,158.90

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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.