Home / 2,195.37-3,029.00-1,310.85

Finding the Fourth Proportional to 2,195.37, 3,029.00 and 1,310.85

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Solution

The fourth proportional to 2,195.37, 3,029.00 and 1,310.85 is: 1,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.37 : 3,029.00 = 1,310.85 : x
  2. Step 2: Convert to fraction form
    2,195.37/3,029.00 = 1,310.85/x
  3. Step 3: Cross multiply
    2,195.37x = 3,029.00 × 1,310.85
  4. Step 4: Simplify right side
    2,195.37x = 3,970,563.01
  5. Step 5: Solve for x
    x = 3,970,563.01/2,195.37
  6. Step 6: Final answer
    x = 1,808.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.