Home / 2,620.37-3,926.86-1,450.90

Finding the Fourth Proportional to 2,620.37, 3,926.86 and 1,450.90

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Solution

The fourth proportional to 2,620.37, 3,926.86 and 1,450.90 is: 2,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.37 : 3,926.86 = 1,450.90 : x
  2. Step 2: Convert to fraction form
    2,620.37/3,926.86 = 1,450.90/x
  3. Step 3: Cross multiply
    2,620.37x = 3,926.86 × 1,450.90
  4. Step 4: Simplify right side
    2,620.37x = 5,697,481.17
  5. Step 5: Solve for x
    x = 5,697,481.17/2,620.37
  6. Step 6: Final answer
    x = 2,174.30

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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.