Home / 3,174.81-4,754.37-1,855.11

Finding the Fourth Proportional to 3,174.81, 4,754.37 and 1,855.11

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Solution

The fourth proportional to 3,174.81, 4,754.37 and 1,855.11 is: 2,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.81 : 4,754.37 = 1,855.11 : x
  2. Step 2: Convert to fraction form
    3,174.81/4,754.37 = 1,855.11/x
  3. Step 3: Cross multiply
    3,174.81x = 4,754.37 × 1,855.11
  4. Step 4: Simplify right side
    3,174.81x = 8,819,879.33
  5. Step 5: Solve for x
    x = 8,819,879.33/3,174.81
  6. Step 6: Final answer
    x = 2,778.08

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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.