Home / 1,933.25-2,665.08-1,268.96

Finding the Fourth Proportional to 1,933.25, 2,665.08 and 1,268.96

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Solution

The fourth proportional to 1,933.25, 2,665.08 and 1,268.96 is: 1,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.25 : 2,665.08 = 1,268.96 : x
  2. Step 2: Convert to fraction form
    1,933.25/2,665.08 = 1,268.96/x
  3. Step 3: Cross multiply
    1,933.25x = 2,665.08 × 1,268.96
  4. Step 4: Simplify right side
    1,933.25x = 3,381,866.59
  5. Step 5: Solve for x
    x = 3,381,866.59/1,933.25
  6. Step 6: Final answer
    x = 1,749.32

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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.