Home / 2,247-3,371.10-1,273.78

Finding the Fourth Proportional to 2,247, 3,371.10 and 1,273.78

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Solution

The fourth proportional to 2,247, 3,371.10 and 1,273.78 is: 1,911.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247 : 3,371.10 = 1,273.78 : x
  2. Step 2: Convert to fraction form
    2,247/3,371.10 = 1,273.78/x
  3. Step 3: Cross multiply
    2,247x = 3,371.10 × 1,273.78
  4. Step 4: Simplify right side
    2,247x = 4,294,039.76
  5. Step 5: Solve for x
    x = 4,294,039.76/2,247
  6. Step 6: Final answer
    x = 1,911.01

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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.