Home / 3,873.72-5,343.66-2,692.74

Finding the Fourth Proportional to 3,873.72, 5,343.66 and 2,692.74

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Solution

The fourth proportional to 3,873.72, 5,343.66 and 2,692.74 is: 3,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.72 : 5,343.66 = 2,692.74 : x
  2. Step 2: Convert to fraction form
    3,873.72/5,343.66 = 2,692.74/x
  3. Step 3: Cross multiply
    3,873.72x = 5,343.66 × 2,692.74
  4. Step 4: Simplify right side
    3,873.72x = 14,389,087.03
  5. Step 5: Solve for x
    x = 14,389,087.03/3,873.72
  6. Step 6: Final answer
    x = 3,714.54

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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.