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Finding the Fourth Proportional to 3,548.66, 5,322.99 and 1,327.99

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Solution

The fourth proportional to 3,548.66, 5,322.99 and 1,327.99 is: 1,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.66 : 5,322.99 = 1,327.99 : x
  2. Step 2: Convert to fraction form
    3,548.66/5,322.99 = 1,327.99/x
  3. Step 3: Cross multiply
    3,548.66x = 5,322.99 × 1,327.99
  4. Step 4: Simplify right side
    3,548.66x = 7,068,850.88
  5. Step 5: Solve for x
    x = 7,068,850.88/3,548.66
  6. Step 6: Final answer
    x = 1,991.98

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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.