Home / 1,912.66-2,639.46-1,073.37

Finding the Fourth Proportional to 1,912.66, 2,639.46 and 1,073.37

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Solution

The fourth proportional to 1,912.66, 2,639.46 and 1,073.37 is: 1,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912.66 : 2,639.46 = 1,073.37 : x
  2. Step 2: Convert to fraction form
    1,912.66/2,639.46 = 1,073.37/x
  3. Step 3: Cross multiply
    1,912.66x = 2,639.46 × 1,073.37
  4. Step 4: Simplify right side
    1,912.66x = 2,833,116.26
  5. Step 5: Solve for x
    x = 2,833,116.26/1,912.66
  6. Step 6: Final answer
    x = 1,481.24

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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.