Home / 2,727.21-3,763.25-1,665.50

Finding the Fourth Proportional to 2,727.21, 3,763.25 and 1,665.50

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Solution

The fourth proportional to 2,727.21, 3,763.25 and 1,665.50 is: 2,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.21 : 3,763.25 = 1,665.50 : x
  2. Step 2: Convert to fraction form
    2,727.21/3,763.25 = 1,665.50/x
  3. Step 3: Cross multiply
    2,727.21x = 3,763.25 × 1,665.50
  4. Step 4: Simplify right side
    2,727.21x = 6,267,692.88
  5. Step 5: Solve for x
    x = 6,267,692.88/2,727.21
  6. Step 6: Final answer
    x = 2,298.21

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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.