Home / 3,556.82-4,908.44-1,984.92

Finding the Fourth Proportional to 3,556.82, 4,908.44 and 1,984.92

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Solution

The fourth proportional to 3,556.82, 4,908.44 and 1,984.92 is: 2,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.82 : 4,908.44 = 1,984.92 : x
  2. Step 2: Convert to fraction form
    3,556.82/4,908.44 = 1,984.92/x
  3. Step 3: Cross multiply
    3,556.82x = 4,908.44 × 1,984.92
  4. Step 4: Simplify right side
    3,556.82x = 9,742,860.72
  5. Step 5: Solve for x
    x = 9,742,860.72/3,556.82
  6. Step 6: Final answer
    x = 2,739.21

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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.