Home / 2,017.22-3,025.87-630.56

Finding the Fourth Proportional to 2,017.22, 3,025.87 and 630.56

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Solution

The fourth proportional to 2,017.22, 3,025.87 and 630.56 is: 945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.22 : 3,025.87 = 630.56 : x
  2. Step 2: Convert to fraction form
    2,017.22/3,025.87 = 630.56/x
  3. Step 3: Cross multiply
    2,017.22x = 3,025.87 × 630.56
  4. Step 4: Simplify right side
    2,017.22x = 1,907,998.58
  5. Step 5: Solve for x
    x = 1,907,998.58/2,017.22
  6. Step 6: Final answer
    x = 945.86

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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.