Home / 3,809.16-5,709.96-1,342.44

Finding the Fourth Proportional to 3,809.16, 5,709.96 and 1,342.44

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Solution

The fourth proportional to 3,809.16, 5,709.96 and 1,342.44 is: 2,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.16 : 5,709.96 = 1,342.44 : x
  2. Step 2: Convert to fraction form
    3,809.16/5,709.96 = 1,342.44/x
  3. Step 3: Cross multiply
    3,809.16x = 5,709.96 × 1,342.44
  4. Step 4: Simplify right side
    3,809.16x = 7,665,278.70
  5. Step 5: Solve for x
    x = 7,665,278.70/3,809.16
  6. Step 6: Final answer
    x = 2,012.33

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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.