Home / 3,539.25-5,309.82-1,230.75

Finding the Fourth Proportional to 3,539.25, 5,309.82 and 1,230.75

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Solution

The fourth proportional to 3,539.25, 5,309.82 and 1,230.75 is: 1,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.25 : 5,309.82 = 1,230.75 : x
  2. Step 2: Convert to fraction form
    3,539.25/5,309.82 = 1,230.75/x
  3. Step 3: Cross multiply
    3,539.25x = 5,309.82 × 1,230.75
  4. Step 4: Simplify right side
    3,539.25x = 6,535,060.97
  5. Step 5: Solve for x
    x = 6,535,060.97/3,539.25
  6. Step 6: Final answer
    x = 1,846.45

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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.