Home / 3,278.00-4,913.87-1,085.54

Finding the Fourth Proportional to 3,278.00, 4,913.87 and 1,085.54

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Solution

The fourth proportional to 3,278.00, 4,913.87 and 1,085.54 is: 1,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.00 : 4,913.87 = 1,085.54 : x
  2. Step 2: Convert to fraction form
    3,278.00/4,913.87 = 1,085.54/x
  3. Step 3: Cross multiply
    3,278.00x = 4,913.87 × 1,085.54
  4. Step 4: Simplify right side
    3,278.00x = 5,334,172.44
  5. Step 5: Solve for x
    x = 5,334,172.44/3,278.00
  6. Step 6: Final answer
    x = 1,627.26

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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.