Home / 3,205.32-4,806.32-1,125.44

Finding the Fourth Proportional to 3,205.32, 4,806.32 and 1,125.44

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Solution

The fourth proportional to 3,205.32, 4,806.32 and 1,125.44 is: 1,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.32 : 4,806.32 = 1,125.44 : x
  2. Step 2: Convert to fraction form
    3,205.32/4,806.32 = 1,125.44/x
  3. Step 3: Cross multiply
    3,205.32x = 4,806.32 × 1,125.44
  4. Step 4: Simplify right side
    3,205.32x = 5,409,224.78
  5. Step 5: Solve for x
    x = 5,409,224.78/3,205.32
  6. Step 6: Final answer
    x = 1,687.58

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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.