Home / 2,004.50-2,766.15-1,120.38

Finding the Fourth Proportional to 2,004.50, 2,766.15 and 1,120.38

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Solution

The fourth proportional to 2,004.50, 2,766.15 and 1,120.38 is: 1,546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.50 : 2,766.15 = 1,120.38 : x
  2. Step 2: Convert to fraction form
    2,004.50/2,766.15 = 1,120.38/x
  3. Step 3: Cross multiply
    2,004.50x = 2,766.15 × 1,120.38
  4. Step 4: Simplify right side
    2,004.50x = 3,099,139.14
  5. Step 5: Solve for x
    x = 3,099,139.14/2,004.50
  6. Step 6: Final answer
    x = 1,546.09

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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.