Home / 2,045.56-3,067.26-1,120.82

Finding the Fourth Proportional to 2,045.56, 3,067.26 and 1,120.82

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Solution

The fourth proportional to 2,045.56, 3,067.26 and 1,120.82 is: 1,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.56 : 3,067.26 = 1,120.82 : x
  2. Step 2: Convert to fraction form
    2,045.56/3,067.26 = 1,120.82/x
  3. Step 3: Cross multiply
    2,045.56x = 3,067.26 × 1,120.82
  4. Step 4: Simplify right side
    2,045.56x = 3,437,846.35
  5. Step 5: Solve for x
    x = 3,437,846.35/2,045.56
  6. Step 6: Final answer
    x = 1,680.64

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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.