Home / 3,677.24-5,074.44-2,105.12

Finding the Fourth Proportional to 3,677.24, 5,074.44 and 2,105.12

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Solution

The fourth proportional to 3,677.24, 5,074.44 and 2,105.12 is: 2,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.24 : 5,074.44 = 2,105.12 : x
  2. Step 2: Convert to fraction form
    3,677.24/5,074.44 = 2,105.12/x
  3. Step 3: Cross multiply
    3,677.24x = 5,074.44 × 2,105.12
  4. Step 4: Simplify right side
    3,677.24x = 10,682,305.13
  5. Step 5: Solve for x
    x = 10,682,305.13/3,677.24
  6. Step 6: Final answer
    x = 2,904.98

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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.