Home / 1,933.48-2,668.47-1,272.25

Finding the Fourth Proportional to 1,933.48, 2,668.47 and 1,272.25

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Solution

The fourth proportional to 1,933.48, 2,668.47 and 1,272.25 is: 1,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.48 : 2,668.47 = 1,272.25 : x
  2. Step 2: Convert to fraction form
    1,933.48/2,668.47 = 1,272.25/x
  3. Step 3: Cross multiply
    1,933.48x = 2,668.47 × 1,272.25
  4. Step 4: Simplify right side
    1,933.48x = 3,394,947.62
  5. Step 5: Solve for x
    x = 3,394,947.62/1,933.48
  6. Step 6: Final answer
    x = 1,755.88

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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.