Home / 3,741.35-5,605.94-1,986.21

Finding the Fourth Proportional to 3,741.35, 5,605.94 and 1,986.21

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Solution

The fourth proportional to 3,741.35, 5,605.94 and 1,986.21 is: 2,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.35 : 5,605.94 = 1,986.21 : x
  2. Step 2: Convert to fraction form
    3,741.35/5,605.94 = 1,986.21/x
  3. Step 3: Cross multiply
    3,741.35x = 5,605.94 × 1,986.21
  4. Step 4: Simplify right side
    3,741.35x = 11,134,579.05
  5. Step 5: Solve for x
    x = 11,134,579.05/3,741.35
  6. Step 6: Final answer
    x = 2,976.09

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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.