Home / 2,268.48-3,128.91-1,969.14

Finding the Fourth Proportional to 2,268.48, 3,128.91 and 1,969.14

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Solution

The fourth proportional to 2,268.48, 3,128.91 and 1,969.14 is: 2,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.48 : 3,128.91 = 1,969.14 : x
  2. Step 2: Convert to fraction form
    2,268.48/3,128.91 = 1,969.14/x
  3. Step 3: Cross multiply
    2,268.48x = 3,128.91 × 1,969.14
  4. Step 4: Simplify right side
    2,268.48x = 6,161,261.84
  5. Step 5: Solve for x
    x = 6,161,261.84/2,268.48
  6. Step 6: Final answer
    x = 2,716.03

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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.