Home / 2,726.24-4,086.25-1,242.15

Finding the Fourth Proportional to 2,726.24, 4,086.25 and 1,242.15

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Solution

The fourth proportional to 2,726.24, 4,086.25 and 1,242.15 is: 1,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.24 : 4,086.25 = 1,242.15 : x
  2. Step 2: Convert to fraction form
    2,726.24/4,086.25 = 1,242.15/x
  3. Step 3: Cross multiply
    2,726.24x = 4,086.25 × 1,242.15
  4. Step 4: Simplify right side
    2,726.24x = 5,075,735.44
  5. Step 5: Solve for x
    x = 5,075,735.44/2,726.24
  6. Step 6: Final answer
    x = 1,861.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.