Home / 3,376.94-5,063.76-1,915.70

Finding the Fourth Proportional to 3,376.94, 5,063.76 and 1,915.70

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Solution

The fourth proportional to 3,376.94, 5,063.76 and 1,915.70 is: 2,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.94 : 5,063.76 = 1,915.70 : x
  2. Step 2: Convert to fraction form
    3,376.94/5,063.76 = 1,915.70/x
  3. Step 3: Cross multiply
    3,376.94x = 5,063.76 × 1,915.70
  4. Step 4: Simplify right side
    3,376.94x = 9,700,645.03
  5. Step 5: Solve for x
    x = 9,700,645.03/3,376.94
  6. Step 6: Final answer
    x = 2,872.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.