Home / 2,245.65-3,369.91-1,090.77

Finding the Fourth Proportional to 2,245.65, 3,369.91 and 1,090.77

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Solution

The fourth proportional to 2,245.65, 3,369.91 and 1,090.77 is: 1,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.65 : 3,369.91 = 1,090.77 : x
  2. Step 2: Convert to fraction form
    2,245.65/3,369.91 = 1,090.77/x
  3. Step 3: Cross multiply
    2,245.65x = 3,369.91 × 1,090.77
  4. Step 4: Simplify right side
    2,245.65x = 3,675,777.15
  5. Step 5: Solve for x
    x = 3,675,777.15/2,245.65
  6. Step 6: Final answer
    x = 1,636.85

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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.