Home / 3,690.28-5,535.52-1,608.84

Finding the Fourth Proportional to 3,690.28, 5,535.52 and 1,608.84

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Solution

The fourth proportional to 3,690.28, 5,535.52 and 1,608.84 is: 2,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.28 : 5,535.52 = 1,608.84 : x
  2. Step 2: Convert to fraction form
    3,690.28/5,535.52 = 1,608.84/x
  3. Step 3: Cross multiply
    3,690.28x = 5,535.52 × 1,608.84
  4. Step 4: Simplify right side
    3,690.28x = 8,905,766.00
  5. Step 5: Solve for x
    x = 8,905,766.00/3,690.28
  6. Step 6: Final answer
    x = 2,413.30

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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.