Home / 3,556.14-4,907.43-1,984.50

Finding the Fourth Proportional to 3,556.14, 4,907.43 and 1,984.50

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Solution

The fourth proportional to 3,556.14, 4,907.43 and 1,984.50 is: 2,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.14 : 4,907.43 = 1,984.50 : x
  2. Step 2: Convert to fraction form
    3,556.14/4,907.43 = 1,984.50/x
  3. Step 3: Cross multiply
    3,556.14x = 4,907.43 × 1,984.50
  4. Step 4: Simplify right side
    3,556.14x = 9,738,794.84
  5. Step 5: Solve for x
    x = 9,738,794.84/3,556.14
  6. Step 6: Final answer
    x = 2,738.59

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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.