Home / 3,894.46-5,376.30-2,479.56

Finding the Fourth Proportional to 3,894.46, 5,376.30 and 2,479.56

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Solution

The fourth proportional to 3,894.46, 5,376.30 and 2,479.56 is: 3,423.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.46 : 5,376.30 = 2,479.56 : x
  2. Step 2: Convert to fraction form
    3,894.46/5,376.30 = 2,479.56/x
  3. Step 3: Cross multiply
    3,894.46x = 5,376.30 × 2,479.56
  4. Step 4: Simplify right side
    3,894.46x = 13,330,858.43
  5. Step 5: Solve for x
    x = 13,330,858.43/3,894.46
  6. Step 6: Final answer
    x = 3,423.03

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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.