Home / 1,789.89-2,683.26-1,268.25

Finding the Fourth Proportional to 1,789.89, 2,683.26 and 1,268.25

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Solution

The fourth proportional to 1,789.89, 2,683.26 and 1,268.25 is: 1,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.89 : 2,683.26 = 1,268.25 : x
  2. Step 2: Convert to fraction form
    1,789.89/2,683.26 = 1,268.25/x
  3. Step 3: Cross multiply
    1,789.89x = 2,683.26 × 1,268.25
  4. Step 4: Simplify right side
    1,789.89x = 3,403,044.50
  5. Step 5: Solve for x
    x = 3,403,044.50/1,789.89
  6. Step 6: Final answer
    x = 1,901.26

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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.