Home / 3,803.35-5,705.82-1,431.44

Finding the Fourth Proportional to 3,803.35, 5,705.82 and 1,431.44

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Solution

The fourth proportional to 3,803.35, 5,705.82 and 1,431.44 is: 2,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.35 : 5,705.82 = 1,431.44 : x
  2. Step 2: Convert to fraction form
    3,803.35/5,705.82 = 1,431.44/x
  3. Step 3: Cross multiply
    3,803.35x = 5,705.82 × 1,431.44
  4. Step 4: Simplify right side
    3,803.35x = 8,167,538.98
  5. Step 5: Solve for x
    x = 8,167,538.98/3,803.35
  6. Step 6: Final answer
    x = 2,147.46

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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.