Home / 3,956.73-5,459.68-2,277.81

Finding the Fourth Proportional to 3,956.73, 5,459.68 and 2,277.81

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Solution

The fourth proportional to 3,956.73, 5,459.68 and 2,277.81 is: 3,143.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.73 : 5,459.68 = 2,277.81 : x
  2. Step 2: Convert to fraction form
    3,956.73/5,459.68 = 2,277.81/x
  3. Step 3: Cross multiply
    3,956.73x = 5,459.68 × 2,277.81
  4. Step 4: Simplify right side
    3,956.73x = 12,436,108.01
  5. Step 5: Solve for x
    x = 12,436,108.01/3,956.73
  6. Step 6: Final answer
    x = 3,143.03

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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.