Home / 3,278.65-4,524.39-1,786.48

Finding the Fourth Proportional to 3,278.65, 4,524.39 and 1,786.48

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Solution

The fourth proportional to 3,278.65, 4,524.39 and 1,786.48 is: 2,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.65 : 4,524.39 = 1,786.48 : x
  2. Step 2: Convert to fraction form
    3,278.65/4,524.39 = 1,786.48/x
  3. Step 3: Cross multiply
    3,278.65x = 4,524.39 × 1,786.48
  4. Step 4: Simplify right side
    3,278.65x = 8,082,732.25
  5. Step 5: Solve for x
    x = 8,082,732.25/3,278.65
  6. Step 6: Final answer
    x = 2,465.26

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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.