Home / 2,015.82-3,020.02-1,283.85

Finding the Fourth Proportional to 2,015.82, 3,020.02 and 1,283.85

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Solution

The fourth proportional to 2,015.82, 3,020.02 and 1,283.85 is: 1,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.82 : 3,020.02 = 1,283.85 : x
  2. Step 2: Convert to fraction form
    2,015.82/3,020.02 = 1,283.85/x
  3. Step 3: Cross multiply
    2,015.82x = 3,020.02 × 1,283.85
  4. Step 4: Simplify right side
    2,015.82x = 3,877,249.47
  5. Step 5: Solve for x
    x = 3,877,249.47/2,015.82
  6. Step 6: Final answer
    x = 1,923.41

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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.