Home / 3,951.23-5,923.40-1,485.38

Finding the Fourth Proportional to 3,951.23, 5,923.40 and 1,485.38

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Solution

The fourth proportional to 3,951.23, 5,923.40 and 1,485.38 is: 2,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.23 : 5,923.40 = 1,485.38 : x
  2. Step 2: Convert to fraction form
    3,951.23/5,923.40 = 1,485.38/x
  3. Step 3: Cross multiply
    3,951.23x = 5,923.40 × 1,485.38
  4. Step 4: Simplify right side
    3,951.23x = 8,798,507.27
  5. Step 5: Solve for x
    x = 8,798,507.27/3,951.23
  6. Step 6: Final answer
    x = 2,226.78

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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.