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Finding the Fourth Proportional to 4,241.49, 6,361.84 and 1,319.50

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Solution

The fourth proportional to 4,241.49, 6,361.84 and 1,319.50 is: 1,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,241.49 : 6,361.84 = 1,319.50 : x
  2. Step 2: Convert to fraction form
    4,241.49/6,361.84 = 1,319.50/x
  3. Step 3: Cross multiply
    4,241.49x = 6,361.84 × 1,319.50
  4. Step 4: Simplify right side
    4,241.49x = 8,394,447.88
  5. Step 5: Solve for x
    x = 8,394,447.88/4,241.49
  6. Step 6: Final answer
    x = 1,979.13

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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.