Home / 2,025.26-3,037.82-638.60

Finding the Fourth Proportional to 2,025.26, 3,037.82 and 638.60

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Solution

The fourth proportional to 2,025.26, 3,037.82 and 638.60 is: 957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.26 : 3,037.82 = 638.60 : x
  2. Step 2: Convert to fraction form
    2,025.26/3,037.82 = 638.60/x
  3. Step 3: Cross multiply
    2,025.26x = 3,037.82 × 638.60
  4. Step 4: Simplify right side
    2,025.26x = 1,939,951.85
  5. Step 5: Solve for x
    x = 1,939,951.85/2,025.26
  6. Step 6: Final answer
    x = 957.88

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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.