Home / 2,656.26-3,983.58-1,268.87

Finding the Fourth Proportional to 2,656.26, 3,983.58 and 1,268.87

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Solution

The fourth proportional to 2,656.26, 3,983.58 and 1,268.87 is: 1,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.26 : 3,983.58 = 1,268.87 : x
  2. Step 2: Convert to fraction form
    2,656.26/3,983.58 = 1,268.87/x
  3. Step 3: Cross multiply
    2,656.26x = 3,983.58 × 1,268.87
  4. Step 4: Simplify right side
    2,656.26x = 5,054,625.24
  5. Step 5: Solve for x
    x = 5,054,625.24/2,656.26
  6. Step 6: Final answer
    x = 1,902.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.