Home / 3,767.21-5,198.99-2,174.14

Finding the Fourth Proportional to 3,767.21, 5,198.99 and 2,174.14

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Solution

The fourth proportional to 3,767.21, 5,198.99 and 2,174.14 is: 3,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.21 : 5,198.99 = 2,174.14 : x
  2. Step 2: Convert to fraction form
    3,767.21/5,198.99 = 2,174.14/x
  3. Step 3: Cross multiply
    3,767.21x = 5,198.99 × 2,174.14
  4. Step 4: Simplify right side
    3,767.21x = 11,303,306.12
  5. Step 5: Solve for x
    x = 11,303,306.12/3,767.21
  6. Step 6: Final answer
    x = 3,000.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.