Home / 2,107.96-2,908.44-1,445.02

Finding the Fourth Proportional to 2,107.96, 2,908.44 and 1,445.02

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Solution

The fourth proportional to 2,107.96, 2,908.44 and 1,445.02 is: 1,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.96 : 2,908.44 = 1,445.02 : x
  2. Step 2: Convert to fraction form
    2,107.96/2,908.44 = 1,445.02/x
  3. Step 3: Cross multiply
    2,107.96x = 2,908.44 × 1,445.02
  4. Step 4: Simplify right side
    2,107.96x = 4,202,753.97
  5. Step 5: Solve for x
    x = 4,202,753.97/2,107.96
  6. Step 6: Final answer
    x = 1,993.75

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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.