Home / 2,029.07-2,798.68-1,961.33

Finding the Fourth Proportional to 2,029.07, 2,798.68 and 1,961.33

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Solution

The fourth proportional to 2,029.07, 2,798.68 and 1,961.33 is: 2,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.07 : 2,798.68 = 1,961.33 : x
  2. Step 2: Convert to fraction form
    2,029.07/2,798.68 = 1,961.33/x
  3. Step 3: Cross multiply
    2,029.07x = 2,798.68 × 1,961.33
  4. Step 4: Simplify right side
    2,029.07x = 5,489,135.04
  5. Step 5: Solve for x
    x = 5,489,135.04/2,029.07
  6. Step 6: Final answer
    x = 2,705.25

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1.5x scale

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.