Home / 3,956.24-5,459.70-2,278.54

Finding the Fourth Proportional to 3,956.24, 5,459.70 and 2,278.54

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Solution

The fourth proportional to 3,956.24, 5,459.70 and 2,278.54 is: 3,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.24 : 5,459.70 = 2,278.54 : x
  2. Step 2: Convert to fraction form
    3,956.24/5,459.70 = 2,278.54/x
  3. Step 3: Cross multiply
    3,956.24x = 5,459.70 × 2,278.54
  4. Step 4: Simplify right side
    3,956.24x = 12,440,144.84
  5. Step 5: Solve for x
    x = 12,440,144.84/3,956.24
  6. Step 6: Final answer
    x = 3,144.44

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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.