Home / 1,336.96-1,846.56-1,181.44

Finding the Fourth Proportional to 1,336.96, 1,846.56 and 1,181.44

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Solution

The fourth proportional to 1,336.96, 1,846.56 and 1,181.44 is: 1,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.96 : 1,846.56 = 1,181.44 : x
  2. Step 2: Convert to fraction form
    1,336.96/1,846.56 = 1,181.44/x
  3. Step 3: Cross multiply
    1,336.96x = 1,846.56 × 1,181.44
  4. Step 4: Simplify right side
    1,336.96x = 2,181,599.85
  5. Step 5: Solve for x
    x = 2,181,599.85/1,336.96
  6. Step 6: Final answer
    x = 1,631.76

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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.