Home / 1,347.03-2,021.82-1,273.05

Finding the Fourth Proportional to 1,347.03, 2,021.82 and 1,273.05

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Solution

The fourth proportional to 1,347.03, 2,021.82 and 1,273.05 is: 1,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.03 : 2,021.82 = 1,273.05 : x
  2. Step 2: Convert to fraction form
    1,347.03/2,021.82 = 1,273.05/x
  3. Step 3: Cross multiply
    1,347.03x = 2,021.82 × 1,273.05
  4. Step 4: Simplify right side
    1,347.03x = 2,573,877.95
  5. Step 5: Solve for x
    x = 2,573,877.95/1,347.03
  6. Step 6: Final answer
    x = 1,910.78

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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.