Home / 3,790.29-5,684.36-1,481.25

Finding the Fourth Proportional to 3,790.29, 5,684.36 and 1,481.25

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Solution

The fourth proportional to 3,790.29, 5,684.36 and 1,481.25 is: 2,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.29 : 5,684.36 = 1,481.25 : x
  2. Step 2: Convert to fraction form
    3,790.29/5,684.36 = 1,481.25/x
  3. Step 3: Cross multiply
    3,790.29x = 5,684.36 × 1,481.25
  4. Step 4: Simplify right side
    3,790.29x = 8,419,950.84
  5. Step 5: Solve for x
    x = 8,419,950.84/3,790.29
  6. Step 6: Final answer
    x = 2,221.45

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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.