Home / 2,105.97-3,159.09-1,065.24

Finding the Fourth Proportional to 2,105.97, 3,159.09 and 1,065.24

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Solution

The fourth proportional to 2,105.97, 3,159.09 and 1,065.24 is: 1,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105.97 : 3,159.09 = 1,065.24 : x
  2. Step 2: Convert to fraction form
    2,105.97/3,159.09 = 1,065.24/x
  3. Step 3: Cross multiply
    2,105.97x = 3,159.09 × 1,065.24
  4. Step 4: Simplify right side
    2,105.97x = 3,365,189.03
  5. Step 5: Solve for x
    x = 3,365,189.03/2,105.97
  6. Step 6: Final answer
    x = 1,597.93

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1.5x scale

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.