Home / 3,805.41-5,705.83-1,581.56

Finding the Fourth Proportional to 3,805.41, 5,705.83 and 1,581.56

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Solution

The fourth proportional to 3,805.41, 5,705.83 and 1,581.56 is: 2,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.41 : 5,705.83 = 1,581.56 : x
  2. Step 2: Convert to fraction form
    3,805.41/5,705.83 = 1,581.56/x
  3. Step 3: Cross multiply
    3,805.41x = 5,705.83 × 1,581.56
  4. Step 4: Simplify right side
    3,805.41x = 9,024,107.34
  5. Step 5: Solve for x
    x = 9,024,107.34/3,805.41
  6. Step 6: Final answer
    x = 2,371.39

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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.