Home / 1,245.44-1,853.84-1,226.96

Finding the Fourth Proportional to 1,245.44, 1,853.84 and 1,226.96

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Solution

The fourth proportional to 1,245.44, 1,853.84 and 1,226.96 is: 1,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245.44 : 1,853.84 = 1,226.96 : x
  2. Step 2: Convert to fraction form
    1,245.44/1,853.84 = 1,226.96/x
  3. Step 3: Cross multiply
    1,245.44x = 1,853.84 × 1,226.96
  4. Step 4: Simplify right side
    1,245.44x = 2,274,587.53
  5. Step 5: Solve for x
    x = 2,274,587.53/1,245.44
  6. Step 6: Final answer
    x = 1,826.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.