Home / 2,305.56-3,458.13-1,378.17

Finding the Fourth Proportional to 2,305.56, 3,458.13 and 1,378.17

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Solution

The fourth proportional to 2,305.56, 3,458.13 and 1,378.17 is: 2,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.56 : 3,458.13 = 1,378.17 : x
  2. Step 2: Convert to fraction form
    2,305.56/3,458.13 = 1,378.17/x
  3. Step 3: Cross multiply
    2,305.56x = 3,458.13 × 1,378.17
  4. Step 4: Simplify right side
    2,305.56x = 4,765,891.02
  5. Step 5: Solve for x
    x = 4,765,891.02/2,305.56
  6. Step 6: Final answer
    x = 2,067.13

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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.