Home / 3,956.72-5,457.44-2,629.76

Finding the Fourth Proportional to 3,956.72, 5,457.44 and 2,629.76

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Solution

The fourth proportional to 3,956.72, 5,457.44 and 2,629.76 is: 3,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.72 : 5,457.44 = 2,629.76 : x
  2. Step 2: Convert to fraction form
    3,956.72/5,457.44 = 2,629.76/x
  3. Step 3: Cross multiply
    3,956.72x = 5,457.44 × 2,629.76
  4. Step 4: Simplify right side
    3,956.72x = 14,351,757.41
  5. Step 5: Solve for x
    x = 14,351,757.41/3,956.72
  6. Step 6: Final answer
    x = 3,627.19

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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.