Home / 1,640.44-2,260.66-1,049.95

Finding the Fourth Proportional to 1,640.44, 2,260.66 and 1,049.95

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Solution

The fourth proportional to 1,640.44, 2,260.66 and 1,049.95 is: 1,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640.44 : 2,260.66 = 1,049.95 : x
  2. Step 2: Convert to fraction form
    1,640.44/2,260.66 = 1,049.95/x
  3. Step 3: Cross multiply
    1,640.44x = 2,260.66 × 1,049.95
  4. Step 4: Simplify right side
    1,640.44x = 2,373,579.97
  5. Step 5: Solve for x
    x = 2,373,579.97/1,640.44
  6. Step 6: Final answer
    x = 1,446.92

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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.