Home / 4,021.26-6,029.28-1,680.62

Finding the Fourth Proportional to 4,021.26, 6,029.28 and 1,680.62

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Solution

The fourth proportional to 4,021.26, 6,029.28 and 1,680.62 is: 2,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.26 : 6,029.28 = 1,680.62 : x
  2. Step 2: Convert to fraction form
    4,021.26/6,029.28 = 1,680.62/x
  3. Step 3: Cross multiply
    4,021.26x = 6,029.28 × 1,680.62
  4. Step 4: Simplify right side
    4,021.26x = 10,132,928.55
  5. Step 5: Solve for x
    x = 10,132,928.55/4,021.26
  6. Step 6: Final answer
    x = 2,519.84

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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.