Home / 2,427.90-3,642.92-1,273.38

Finding the Fourth Proportional to 2,427.90, 3,642.92 and 1,273.38

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Solution

The fourth proportional to 2,427.90, 3,642.92 and 1,273.38 is: 1,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.90 : 3,642.92 = 1,273.38 : x
  2. Step 2: Convert to fraction form
    2,427.90/3,642.92 = 1,273.38/x
  3. Step 3: Cross multiply
    2,427.90x = 3,642.92 × 1,273.38
  4. Step 4: Simplify right side
    2,427.90x = 4,638,821.47
  5. Step 5: Solve for x
    x = 4,638,821.47/2,427.90
  6. Step 6: Final answer
    x = 1,910.63

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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.