Home / 3,206.35-4,808.36-1,125.97

Finding the Fourth Proportional to 3,206.35, 4,808.36 and 1,125.97

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Solution

The fourth proportional to 3,206.35, 4,808.36 and 1,125.97 is: 1,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.35 : 4,808.36 = 1,125.97 : x
  2. Step 2: Convert to fraction form
    3,206.35/4,808.36 = 1,125.97/x
  3. Step 3: Cross multiply
    3,206.35x = 4,808.36 × 1,125.97
  4. Step 4: Simplify right side
    3,206.35x = 5,414,059.90
  5. Step 5: Solve for x
    x = 5,414,059.90/3,206.35
  6. Step 6: Final answer
    x = 1,688.54

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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.