Home / 1,372.44-1,892.70-1,273.08

Finding the Fourth Proportional to 1,372.44, 1,892.70 and 1,273.08

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Solution

The fourth proportional to 1,372.44, 1,892.70 and 1,273.08 is: 1,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.44 : 1,892.70 = 1,273.08 : x
  2. Step 2: Convert to fraction form
    1,372.44/1,892.70 = 1,273.08/x
  3. Step 3: Cross multiply
    1,372.44x = 1,892.70 × 1,273.08
  4. Step 4: Simplify right side
    1,372.44x = 2,409,558.52
  5. Step 5: Solve for x
    x = 2,409,558.52/1,372.44
  6. Step 6: Final answer
    x = 1,755.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.