Home / 3,256.53-4,878.67-1,611.15

Finding the Fourth Proportional to 3,256.53, 4,878.67 and 1,611.15

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Solution

The fourth proportional to 3,256.53, 4,878.67 and 1,611.15 is: 2,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.53 : 4,878.67 = 1,611.15 : x
  2. Step 2: Convert to fraction form
    3,256.53/4,878.67 = 1,611.15/x
  3. Step 3: Cross multiply
    3,256.53x = 4,878.67 × 1,611.15
  4. Step 4: Simplify right side
    3,256.53x = 7,860,269.17
  5. Step 5: Solve for x
    x = 7,860,269.17/3,256.53
  6. Step 6: Final answer
    x = 2,413.69

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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.