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Finding the Fourth Proportional to 3,751.58, 5,618.91 and 1,805.24

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Solution

The fourth proportional to 3,751.58, 5,618.91 and 1,805.24 is: 2,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.58 : 5,618.91 = 1,805.24 : x
  2. Step 2: Convert to fraction form
    3,751.58/5,618.91 = 1,805.24/x
  3. Step 3: Cross multiply
    3,751.58x = 5,618.91 × 1,805.24
  4. Step 4: Simplify right side
    3,751.58x = 10,143,481.09
  5. Step 5: Solve for x
    x = 10,143,481.09/3,751.58
  6. Step 6: Final answer
    x = 2,703.79

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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.