Home / 3,993.78-5,511.06-2,225.34

Finding the Fourth Proportional to 3,993.78, 5,511.06 and 2,225.34

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Solution

The fourth proportional to 3,993.78, 5,511.06 and 2,225.34 is: 3,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.78 : 5,511.06 = 2,225.34 : x
  2. Step 2: Convert to fraction form
    3,993.78/5,511.06 = 2,225.34/x
  3. Step 3: Cross multiply
    3,993.78x = 5,511.06 × 2,225.34
  4. Step 4: Simplify right side
    3,993.78x = 12,263,982.26
  5. Step 5: Solve for x
    x = 12,263,982.26/3,993.78
  6. Step 6: Final answer
    x = 3,070.77

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