Home / 4,181.76-6,270.48-1,872

Finding the Fourth Proportional to 4,181.76, 6,270.48 and 1,872

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Solution

The fourth proportional to 4,181.76, 6,270.48 and 1,872 is: 2,807.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.76 : 6,270.48 = 1,872 : x
  2. Step 2: Convert to fraction form
    4,181.76/6,270.48 = 1,872/x
  3. Step 3: Cross multiply
    4,181.76x = 6,270.48 × 1,872
  4. Step 4: Simplify right side
    4,181.76x = 11,738,338.56
  5. Step 5: Solve for x
    x = 11,738,338.56/4,181.76
  6. Step 6: Final answer
    x = 2,807.03

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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.