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Finding the Fourth Proportional to 3,327.54, 4,991.17 and 1,379.22

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Solution

The fourth proportional to 3,327.54, 4,991.17 and 1,379.22 is: 2,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.54 : 4,991.17 = 1,379.22 : x
  2. Step 2: Convert to fraction form
    3,327.54/4,991.17 = 1,379.22/x
  3. Step 3: Cross multiply
    3,327.54x = 4,991.17 × 1,379.22
  4. Step 4: Simplify right side
    3,327.54x = 6,883,921.49
  5. Step 5: Solve for x
    x = 6,883,921.49/3,327.54
  6. Step 6: Final answer
    x = 2,068.77

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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.