Home / 2,253.09-3,107.69-2,067.19

Finding the Fourth Proportional to 2,253.09, 3,107.69 and 2,067.19

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Solution

The fourth proportional to 2,253.09, 3,107.69 and 2,067.19 is: 2,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.09 : 3,107.69 = 2,067.19 : x
  2. Step 2: Convert to fraction form
    2,253.09/3,107.69 = 2,067.19/x
  3. Step 3: Cross multiply
    2,253.09x = 3,107.69 × 2,067.19
  4. Step 4: Simplify right side
    2,253.09x = 6,424,194.74
  5. Step 5: Solve for x
    x = 6,424,194.74/2,253.09
  6. Step 6: Final answer
    x = 2,851.29

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1.5x scale

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.