Home / 3,327.48-4,991.30-1,379.16

Finding the Fourth Proportional to 3,327.48, 4,991.30 and 1,379.16

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Solution

The fourth proportional to 3,327.48, 4,991.30 and 1,379.16 is: 2,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.48 : 4,991.30 = 1,379.16 : x
  2. Step 2: Convert to fraction form
    3,327.48/4,991.30 = 1,379.16/x
  3. Step 3: Cross multiply
    3,327.48x = 4,991.30 × 1,379.16
  4. Step 4: Simplify right side
    3,327.48x = 6,883,801.31
  5. Step 5: Solve for x
    x = 6,883,801.31/3,327.48
  6. Step 6: Final answer
    x = 2,068.77

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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.