Home / 3,840.27-5,758.36-1,373.75

Finding the Fourth Proportional to 3,840.27, 5,758.36 and 1,373.75

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Solution

The fourth proportional to 3,840.27, 5,758.36 and 1,373.75 is: 2,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.27 : 5,758.36 = 1,373.75 : x
  2. Step 2: Convert to fraction form
    3,840.27/5,758.36 = 1,373.75/x
  3. Step 3: Cross multiply
    3,840.27x = 5,758.36 × 1,373.75
  4. Step 4: Simplify right side
    3,840.27x = 7,910,540.18
  5. Step 5: Solve for x
    x = 7,910,540.18/3,840.27
  6. Step 6: Final answer
    x = 2,059.89

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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.