Home / 3,790.97-5,675.66-3,419.45

Finding the Fourth Proportional to 3,790.97, 5,675.66 and 3,419.45

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Solution

The fourth proportional to 3,790.97, 5,675.66 and 3,419.45 is: 5,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.97 : 5,675.66 = 3,419.45 : x
  2. Step 2: Convert to fraction form
    3,790.97/5,675.66 = 3,419.45/x
  3. Step 3: Cross multiply
    3,790.97x = 5,675.66 × 3,419.45
  4. Step 4: Simplify right side
    3,790.97x = 19,407,618.49
  5. Step 5: Solve for x
    x = 19,407,618.49/3,790.97
  6. Step 6: Final answer
    x = 5,119.43

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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.