Home / 3,270.07-4,512.20-2,011.33

Finding the Fourth Proportional to 3,270.07, 4,512.20 and 2,011.33

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Solution

The fourth proportional to 3,270.07, 4,512.20 and 2,011.33 is: 2,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.07 : 4,512.20 = 2,011.33 : x
  2. Step 2: Convert to fraction form
    3,270.07/4,512.20 = 2,011.33/x
  3. Step 3: Cross multiply
    3,270.07x = 4,512.20 × 2,011.33
  4. Step 4: Simplify right side
    3,270.07x = 9,075,523.23
  5. Step 5: Solve for x
    x = 9,075,523.23/3,270.07
  6. Step 6: Final answer
    x = 2,775.33

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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.