Home / 2,065.14-3,098.52-1,090.80

Finding the Fourth Proportional to 2,065.14, 3,098.52 and 1,090.80

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Solution

The fourth proportional to 2,065.14, 3,098.52 and 1,090.80 is: 1,636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.14 : 3,098.52 = 1,090.80 : x
  2. Step 2: Convert to fraction form
    2,065.14/3,098.52 = 1,090.80/x
  3. Step 3: Cross multiply
    2,065.14x = 3,098.52 × 1,090.80
  4. Step 4: Simplify right side
    2,065.14x = 3,379,865.62
  5. Step 5: Solve for x
    x = 3,379,865.62/2,065.14
  6. Step 6: Final answer
    x = 1,636.63

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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.