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Finding the Fourth Proportional to 3,308.83, 4,962.63 and 968.32

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Solution

The fourth proportional to 3,308.83, 4,962.63 and 968.32 is: 1,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.83 : 4,962.63 = 968.32 : x
  2. Step 2: Convert to fraction form
    3,308.83/4,962.63 = 968.32/x
  3. Step 3: Cross multiply
    3,308.83x = 4,962.63 × 968.32
  4. Step 4: Simplify right side
    3,308.83x = 4,805,413.88
  5. Step 5: Solve for x
    x = 4,805,413.88/3,308.83
  6. Step 6: Final answer
    x = 1,452.30

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1.5x scale

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.