Home / 2,556.03-3,825.73-2,191.12

Finding the Fourth Proportional to 2,556.03, 3,825.73 and 2,191.12

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Solution

The fourth proportional to 2,556.03, 3,825.73 and 2,191.12 is: 3,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.03 : 3,825.73 = 2,191.12 : x
  2. Step 2: Convert to fraction form
    2,556.03/3,825.73 = 2,191.12/x
  3. Step 3: Cross multiply
    2,556.03x = 3,825.73 × 2,191.12
  4. Step 4: Simplify right side
    2,556.03x = 8,382,633.52
  5. Step 5: Solve for x
    x = 8,382,633.52/2,556.03
  6. Step 6: Final answer
    x = 3,279.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.