Home / 3,551.31-5,327.82-1,359.99

Finding the Fourth Proportional to 3,551.31, 5,327.82 and 1,359.99

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Solution

The fourth proportional to 3,551.31, 5,327.82 and 1,359.99 is: 2,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.31 : 5,327.82 = 1,359.99 : x
  2. Step 2: Convert to fraction form
    3,551.31/5,327.82 = 1,359.99/x
  3. Step 3: Cross multiply
    3,551.31x = 5,327.82 × 1,359.99
  4. Step 4: Simplify right side
    3,551.31x = 7,245,781.92
  5. Step 5: Solve for x
    x = 7,245,781.92/3,551.31
  6. Step 6: Final answer
    x = 2,040.31

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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.