Home / 3,790.09-5,685.09-1,481.57

Finding the Fourth Proportional to 3,790.09, 5,685.09 and 1,481.57

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Solution

The fourth proportional to 3,790.09, 5,685.09 and 1,481.57 is: 2,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.09 : 5,685.09 = 1,481.57 : x
  2. Step 2: Convert to fraction form
    3,790.09/5,685.09 = 1,481.57/x
  3. Step 3: Cross multiply
    3,790.09x = 5,685.09 × 1,481.57
  4. Step 4: Simplify right side
    3,790.09x = 8,422,822.96
  5. Step 5: Solve for x
    x = 8,422,822.96/3,790.09
  6. Step 6: Final answer
    x = 2,222.33

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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.