Home / 3,205.32-4,806.72-1,256.88

Finding the Fourth Proportional to 3,205.32, 4,806.72 and 1,256.88

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Solution

The fourth proportional to 3,205.32, 4,806.72 and 1,256.88 is: 1,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.32 : 4,806.72 = 1,256.88 : x
  2. Step 2: Convert to fraction form
    3,205.32/4,806.72 = 1,256.88/x
  3. Step 3: Cross multiply
    3,205.32x = 4,806.72 × 1,256.88
  4. Step 4: Simplify right side
    3,205.32x = 6,041,470.23
  5. Step 5: Solve for x
    x = 6,041,470.23/3,205.32
  6. Step 6: Final answer
    x = 1,884.83

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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.