Home / 3,278.33-4,524.15-1,786.25

Finding the Fourth Proportional to 3,278.33, 4,524.15 and 1,786.25

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Solution

The fourth proportional to 3,278.33, 4,524.15 and 1,786.25 is: 2,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.33 : 4,524.15 = 1,786.25 : x
  2. Step 2: Convert to fraction form
    3,278.33/4,524.15 = 1,786.25/x
  3. Step 3: Cross multiply
    3,278.33x = 4,524.15 × 1,786.25
  4. Step 4: Simplify right side
    3,278.33x = 8,081,231.39
  5. Step 5: Solve for x
    x = 8,081,231.39/3,278.33
  6. Step 6: Final answer
    x = 2,465.05

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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.