Home / 3,196.68-4,790.85-1,635.36

Finding the Fourth Proportional to 3,196.68, 4,790.85 and 1,635.36

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Solution

The fourth proportional to 3,196.68, 4,790.85 and 1,635.36 is: 2,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.68 : 4,790.85 = 1,635.36 : x
  2. Step 2: Convert to fraction form
    3,196.68/4,790.85 = 1,635.36/x
  3. Step 3: Cross multiply
    3,196.68x = 4,790.85 × 1,635.36
  4. Step 4: Simplify right side
    3,196.68x = 7,834,764.46
  5. Step 5: Solve for x
    x = 7,834,764.46/3,196.68
  6. Step 6: Final answer
    x = 2,450.91

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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.