Home / 2,107.44-2,908.43-1,268.55

Finding the Fourth Proportional to 2,107.44, 2,908.43 and 1,268.55

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Solution

The fourth proportional to 2,107.44, 2,908.43 and 1,268.55 is: 1,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.44 : 2,908.43 = 1,268.55 : x
  2. Step 2: Convert to fraction form
    2,107.44/2,908.43 = 1,268.55/x
  3. Step 3: Cross multiply
    2,107.44x = 2,908.43 × 1,268.55
  4. Step 4: Simplify right side
    2,107.44x = 3,689,488.88
  5. Step 5: Solve for x
    x = 3,689,488.88/2,107.44
  6. Step 6: Final answer
    x = 1,750.70

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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.