Home / 3,239.59-4,863.83-1,680.67

Finding the Fourth Proportional to 3,239.59, 4,863.83 and 1,680.67

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Solution

The fourth proportional to 3,239.59, 4,863.83 and 1,680.67 is: 2,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.59 : 4,863.83 = 1,680.67 : x
  2. Step 2: Convert to fraction form
    3,239.59/4,863.83 = 1,680.67/x
  3. Step 3: Cross multiply
    3,239.59x = 4,863.83 × 1,680.67
  4. Step 4: Simplify right side
    3,239.59x = 8,174,493.17
  5. Step 5: Solve for x
    x = 8,174,493.17/3,239.59
  6. Step 6: Final answer
    x = 2,523.31

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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.