Home / 2,004.81-2,766.89-1,120.66

Finding the Fourth Proportional to 2,004.81, 2,766.89 and 1,120.66

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Solution

The fourth proportional to 2,004.81, 2,766.89 and 1,120.66 is: 1,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.81 : 2,766.89 = 1,120.66 : x
  2. Step 2: Convert to fraction form
    2,004.81/2,766.89 = 1,120.66/x
  3. Step 3: Cross multiply
    2,004.81x = 2,766.89 × 1,120.66
  4. Step 4: Simplify right side
    2,004.81x = 3,100,742.95
  5. Step 5: Solve for x
    x = 3,100,742.95/2,004.81
  6. Step 6: Final answer
    x = 1,546.65

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Why These Related Problems?

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