Home / 2,727.21-3,765.77-2,223.15

Finding the Fourth Proportional to 2,727.21, 3,765.77 and 2,223.15

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Solution

The fourth proportional to 2,727.21, 3,765.77 and 2,223.15 is: 3,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.21 : 3,765.77 = 2,223.15 : x
  2. Step 2: Convert to fraction form
    2,727.21/3,765.77 = 2,223.15/x
  3. Step 3: Cross multiply
    2,727.21x = 3,765.77 × 2,223.15
  4. Step 4: Simplify right side
    2,727.21x = 8,371,867.18
  5. Step 5: Solve for x
    x = 8,371,867.18/2,727.21
  6. Step 6: Final answer
    x = 3,069.75

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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.