Home / 3,690.21-5,536.33-1,839.09

Finding the Fourth Proportional to 3,690.21, 5,536.33 and 1,839.09

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Solution

The fourth proportional to 3,690.21, 5,536.33 and 1,839.09 is: 2,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.21 : 5,536.33 = 1,839.09 : x
  2. Step 2: Convert to fraction form
    3,690.21/5,536.33 = 1,839.09/x
  3. Step 3: Cross multiply
    3,690.21x = 5,536.33 × 1,839.09
  4. Step 4: Simplify right side
    3,690.21x = 10,181,804.54
  5. Step 5: Solve for x
    x = 10,181,804.54/3,690.21
  6. Step 6: Final answer
    x = 2,759.14

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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.