Home / 2,195.03-3,027.43-1,310.65

Finding the Fourth Proportional to 2,195.03, 3,027.43 and 1,310.65

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Solution

The fourth proportional to 2,195.03, 3,027.43 and 1,310.65 is: 1,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.03 : 3,027.43 = 1,310.65 : x
  2. Step 2: Convert to fraction form
    2,195.03/3,027.43 = 1,310.65/x
  3. Step 3: Cross multiply
    2,195.03x = 3,027.43 × 1,310.65
  4. Step 4: Simplify right side
    2,195.03x = 3,967,901.13
  5. Step 5: Solve for x
    x = 3,967,901.13/2,195.03
  6. Step 6: Final answer
    x = 1,807.68

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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.