Home / 3,273.51-4,518.86-2,278.43

Finding the Fourth Proportional to 3,273.51, 4,518.86 and 2,278.43

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Solution

The fourth proportional to 3,273.51, 4,518.86 and 2,278.43 is: 3,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.51 : 4,518.86 = 2,278.43 : x
  2. Step 2: Convert to fraction form
    3,273.51/4,518.86 = 2,278.43/x
  3. Step 3: Cross multiply
    3,273.51x = 4,518.86 × 2,278.43
  4. Step 4: Simplify right side
    3,273.51x = 10,295,872.20
  5. Step 5: Solve for x
    x = 10,295,872.20/3,273.51
  6. Step 6: Final answer
    x = 3,145.21

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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.