Home / 2,086.84-2,879.79-1,202.59

Finding the Fourth Proportional to 2,086.84, 2,879.79 and 1,202.59

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Solution

The fourth proportional to 2,086.84, 2,879.79 and 1,202.59 is: 1,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086.84 : 2,879.79 = 1,202.59 : x
  2. Step 2: Convert to fraction form
    2,086.84/2,879.79 = 1,202.59/x
  3. Step 3: Cross multiply
    2,086.84x = 2,879.79 × 1,202.59
  4. Step 4: Simplify right side
    2,086.84x = 3,463,192.26
  5. Step 5: Solve for x
    x = 3,463,192.26/2,086.84
  6. Step 6: Final answer
    x = 1,659.54

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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.