Home / 2,505.44-3,759.33-1,118.64

Finding the Fourth Proportional to 2,505.44, 3,759.33 and 1,118.64

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Solution

The fourth proportional to 2,505.44, 3,759.33 and 1,118.64 is: 1,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.44 : 3,759.33 = 1,118.64 : x
  2. Step 2: Convert to fraction form
    2,505.44/3,759.33 = 1,118.64/x
  3. Step 3: Cross multiply
    2,505.44x = 3,759.33 × 1,118.64
  4. Step 4: Simplify right side
    2,505.44x = 4,205,336.91
  5. Step 5: Solve for x
    x = 4,205,336.91/2,505.44
  6. Step 6: Final answer
    x = 1,678.48

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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.