Home / 1,845.64-2,766.43-1,297.67

Finding the Fourth Proportional to 1,845.64, 2,766.43 and 1,297.67

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Solution

The fourth proportional to 1,845.64, 2,766.43 and 1,297.67 is: 1,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.64 : 2,766.43 = 1,297.67 : x
  2. Step 2: Convert to fraction form
    1,845.64/2,766.43 = 1,297.67/x
  3. Step 3: Cross multiply
    1,845.64x = 2,766.43 × 1,297.67
  4. Step 4: Simplify right side
    1,845.64x = 3,589,906.73
  5. Step 5: Solve for x
    x = 3,589,906.73/1,845.64
  6. Step 6: Final answer
    x = 1,945.08

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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.