Home / 3,309.52-4,566.62-1,912

Finding the Fourth Proportional to 3,309.52, 4,566.62 and 1,912

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Solution

The fourth proportional to 3,309.52, 4,566.62 and 1,912 is: 2,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.52 : 4,566.62 = 1,912 : x
  2. Step 2: Convert to fraction form
    3,309.52/4,566.62 = 1,912/x
  3. Step 3: Cross multiply
    3,309.52x = 4,566.62 × 1,912
  4. Step 4: Simplify right side
    3,309.52x = 8,731,377.44
  5. Step 5: Solve for x
    x = 8,731,377.44/3,309.52
  6. Step 6: Final answer
    x = 2,638.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.