Home / 3,188.82-4,783.73-1,627.98

Finding the Fourth Proportional to 3,188.82, 4,783.73 and 1,627.98

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Solution

The fourth proportional to 3,188.82, 4,783.73 and 1,627.98 is: 2,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.82 : 4,783.73 = 1,627.98 : x
  2. Step 2: Convert to fraction form
    3,188.82/4,783.73 = 1,627.98/x
  3. Step 3: Cross multiply
    3,188.82x = 4,783.73 × 1,627.98
  4. Step 4: Simplify right side
    3,188.82x = 7,787,816.77
  5. Step 5: Solve for x
    x = 7,787,816.77/3,188.82
  6. Step 6: Final answer
    x = 2,442.23

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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.