Home / 3,844.88-5,768.23-1,247.81

Finding the Fourth Proportional to 3,844.88, 5,768.23 and 1,247.81

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Solution

The fourth proportional to 3,844.88, 5,768.23 and 1,247.81 is: 1,872.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.88 : 5,768.23 = 1,247.81 : x
  2. Step 2: Convert to fraction form
    3,844.88/5,768.23 = 1,247.81/x
  3. Step 3: Cross multiply
    3,844.88x = 5,768.23 × 1,247.81
  4. Step 4: Simplify right side
    3,844.88x = 7,197,666.38
  5. Step 5: Solve for x
    x = 7,197,666.38/3,844.88
  6. Step 6: Final answer
    x = 1,872.02

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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.