Home / 2,278.92-3,418.37-1,304.33

Finding the Fourth Proportional to 2,278.92, 3,418.37 and 1,304.33

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Solution

The fourth proportional to 2,278.92, 3,418.37 and 1,304.33 is: 1,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.92 : 3,418.37 = 1,304.33 : x
  2. Step 2: Convert to fraction form
    2,278.92/3,418.37 = 1,304.33/x
  3. Step 3: Cross multiply
    2,278.92x = 3,418.37 × 1,304.33
  4. Step 4: Simplify right side
    2,278.92x = 4,458,682.54
  5. Step 5: Solve for x
    x = 4,458,682.54/2,278.92
  6. Step 6: Final answer
    x = 1,956.49

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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.