Home / 3,559.37-4,912.26-1,987.97

Finding the Fourth Proportional to 3,559.37, 4,912.26 and 1,987.97

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Solution

The fourth proportional to 3,559.37, 4,912.26 and 1,987.97 is: 2,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.37 : 4,912.26 = 1,987.97 : x
  2. Step 2: Convert to fraction form
    3,559.37/4,912.26 = 1,987.97/x
  3. Step 3: Cross multiply
    3,559.37x = 4,912.26 × 1,987.97
  4. Step 4: Simplify right side
    3,559.37x = 9,765,425.51
  5. Step 5: Solve for x
    x = 9,765,425.51/3,559.37
  6. Step 6: Final answer
    x = 2,743.58

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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.