Home / 3,915.26-5,874.11-1,282.79

Finding the Fourth Proportional to 3,915.26, 5,874.11 and 1,282.79

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Solution

The fourth proportional to 3,915.26, 5,874.11 and 1,282.79 is: 1,924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.26 : 5,874.11 = 1,282.79 : x
  2. Step 2: Convert to fraction form
    3,915.26/5,874.11 = 1,282.79/x
  3. Step 3: Cross multiply
    3,915.26x = 5,874.11 × 1,282.79
  4. Step 4: Simplify right side
    3,915.26x = 7,535,258.65
  5. Step 5: Solve for x
    x = 7,535,258.65/3,915.26
  6. Step 6: Final answer
    x = 1,924.59

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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.