Home / 3,186.58-4,779.73-1,626.54

Finding the Fourth Proportional to 3,186.58, 4,779.73 and 1,626.54

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Solution

The fourth proportional to 3,186.58, 4,779.73 and 1,626.54 is: 2,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.58 : 4,779.73 = 1,626.54 : x
  2. Step 2: Convert to fraction form
    3,186.58/4,779.73 = 1,626.54/x
  3. Step 3: Cross multiply
    3,186.58x = 4,779.73 × 1,626.54
  4. Step 4: Simplify right side
    3,186.58x = 7,774,413.90
  5. Step 5: Solve for x
    x = 7,774,413.90/3,186.58
  6. Step 6: Final answer
    x = 2,439.74

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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.