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Finding the Fourth Proportional to 3,979.83, 5,969.75 and 2,248.46

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Solution

The fourth proportional to 3,979.83, 5,969.75 and 2,248.46 is: 3,372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.83 : 5,969.75 = 2,248.46 : x
  2. Step 2: Convert to fraction form
    3,979.83/5,969.75 = 2,248.46/x
  3. Step 3: Cross multiply
    3,979.83x = 5,969.75 × 2,248.46
  4. Step 4: Simplify right side
    3,979.83x = 13,422,702.99
  5. Step 5: Solve for x
    x = 13,422,702.99/3,979.83
  6. Step 6: Final answer
    x = 3,372.68

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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.