Home / 3,688.35-5,533.55-1,608.54

Finding the Fourth Proportional to 3,688.35, 5,533.55 and 1,608.54

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Solution

The fourth proportional to 3,688.35, 5,533.55 and 1,608.54 is: 2,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.35 : 5,533.55 = 1,608.54 : x
  2. Step 2: Convert to fraction form
    3,688.35/5,533.55 = 1,608.54/x
  3. Step 3: Cross multiply
    3,688.35x = 5,533.55 × 1,608.54
  4. Step 4: Simplify right side
    3,688.35x = 8,900,904.83
  5. Step 5: Solve for x
    x = 8,900,904.83/3,688.35
  6. Step 6: Final answer
    x = 2,413.25

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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.