Home / 2,673.90-3,687.60-1,679.27

Finding the Fourth Proportional to 2,673.90, 3,687.60 and 1,679.27

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Solution

The fourth proportional to 2,673.90, 3,687.60 and 1,679.27 is: 2,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.90 : 3,687.60 = 1,679.27 : x
  2. Step 2: Convert to fraction form
    2,673.90/3,687.60 = 1,679.27/x
  3. Step 3: Cross multiply
    2,673.90x = 3,687.60 × 1,679.27
  4. Step 4: Simplify right side
    2,673.90x = 6,192,476.05
  5. Step 5: Solve for x
    x = 6,192,476.05/2,673.90
  6. Step 6: Final answer
    x = 2,315.90

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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.