Home / 3,346.40-5,012.30-1,611.38

Finding the Fourth Proportional to 3,346.40, 5,012.30 and 1,611.38

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Solution

The fourth proportional to 3,346.40, 5,012.30 and 1,611.38 is: 2,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.40 : 5,012.30 = 1,611.38 : x
  2. Step 2: Convert to fraction form
    3,346.40/5,012.30 = 1,611.38/x
  3. Step 3: Cross multiply
    3,346.40x = 5,012.30 × 1,611.38
  4. Step 4: Simplify right side
    3,346.40x = 8,076,686.86
  5. Step 5: Solve for x
    x = 8,076,686.86/3,346.40
  6. Step 6: Final answer
    x = 2,413.55

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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.