Home / 3,690.48-5,533.89-1,609.58

Finding the Fourth Proportional to 3,690.48, 5,533.89 and 1,609.58

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Solution

The fourth proportional to 3,690.48, 5,533.89 and 1,609.58 is: 2,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.48 : 5,533.89 = 1,609.58 : x
  2. Step 2: Convert to fraction form
    3,690.48/5,533.89 = 1,609.58/x
  3. Step 3: Cross multiply
    3,690.48x = 5,533.89 × 1,609.58
  4. Step 4: Simplify right side
    3,690.48x = 8,907,242.69
  5. Step 5: Solve for x
    x = 8,907,242.69/3,690.48
  6. Step 6: Final answer
    x = 2,413.57

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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.