Home / 3,688.60-5,533.93-1,608.79

Finding the Fourth Proportional to 3,688.60, 5,533.93 and 1,608.79

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Solution

The fourth proportional to 3,688.60, 5,533.93 and 1,608.79 is: 2,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.60 : 5,533.93 = 1,608.79 : x
  2. Step 2: Convert to fraction form
    3,688.60/5,533.93 = 1,608.79/x
  3. Step 3: Cross multiply
    3,688.60x = 5,533.93 × 1,608.79
  4. Step 4: Simplify right side
    3,688.60x = 8,902,895.53
  5. Step 5: Solve for x
    x = 8,902,895.53/3,688.60
  6. Step 6: Final answer
    x = 2,413.62

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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.