Home / 1,860.82-2,789.40-1,202.59

Finding the Fourth Proportional to 1,860.82, 2,789.40 and 1,202.59

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Solution

The fourth proportional to 1,860.82, 2,789.40 and 1,202.59 is: 1,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.82 : 2,789.40 = 1,202.59 : x
  2. Step 2: Convert to fraction form
    1,860.82/2,789.40 = 1,202.59/x
  3. Step 3: Cross multiply
    1,860.82x = 2,789.40 × 1,202.59
  4. Step 4: Simplify right side
    1,860.82x = 3,354,512.54
  5. Step 5: Solve for x
    x = 3,354,512.54/1,860.82
  6. Step 6: Final answer
    x = 1,802.71

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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.