Home / 3,677.09-5,074.38-2,105.19

Finding the Fourth Proportional to 3,677.09, 5,074.38 and 2,105.19

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Solution

The fourth proportional to 3,677.09, 5,074.38 and 2,105.19 is: 2,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.09 : 5,074.38 = 2,105.19 : x
  2. Step 2: Convert to fraction form
    3,677.09/5,074.38 = 2,105.19/x
  3. Step 3: Cross multiply
    3,677.09x = 5,074.38 × 2,105.19
  4. Step 4: Simplify right side
    3,677.09x = 10,682,534.03
  5. Step 5: Solve for x
    x = 10,682,534.03/3,677.09
  6. Step 6: Final answer
    x = 2,905.16

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1.5x scale

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.