Home / 3,449.09-5,173.70-1,109.54

Finding the Fourth Proportional to 3,449.09, 5,173.70 and 1,109.54

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Solution

The fourth proportional to 3,449.09, 5,173.70 and 1,109.54 is: 1,664.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.09 : 5,173.70 = 1,109.54 : x
  2. Step 2: Convert to fraction form
    3,449.09/5,173.70 = 1,109.54/x
  3. Step 3: Cross multiply
    3,449.09x = 5,173.70 × 1,109.54
  4. Step 4: Simplify right side
    3,449.09x = 5,740,395.68
  5. Step 5: Solve for x
    x = 5,740,395.68/3,449.09
  6. Step 6: Final answer
    x = 1,664.32

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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.