Home / 3,961.60-5,466.78-2,193.10

Finding the Fourth Proportional to 3,961.60, 5,466.78 and 2,193.10

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Solution

The fourth proportional to 3,961.60, 5,466.78 and 2,193.10 is: 3,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.60 : 5,466.78 = 2,193.10 : x
  2. Step 2: Convert to fraction form
    3,961.60/5,466.78 = 2,193.10/x
  3. Step 3: Cross multiply
    3,961.60x = 5,466.78 × 2,193.10
  4. Step 4: Simplify right side
    3,961.60x = 11,989,195.22
  5. Step 5: Solve for x
    x = 11,989,195.22/3,961.60
  6. Step 6: Final answer
    x = 3,026.35

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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.