Home / 2,015.01-3,022.69-628.36

Finding the Fourth Proportional to 2,015.01, 3,022.69 and 628.36

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Solution

The fourth proportional to 2,015.01, 3,022.69 and 628.36 is: 942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.01 : 3,022.69 = 628.36 : x
  2. Step 2: Convert to fraction form
    2,015.01/3,022.69 = 628.36/x
  3. Step 3: Cross multiply
    2,015.01x = 3,022.69 × 628.36
  4. Step 4: Simplify right side
    2,015.01x = 1,899,330.41
  5. Step 5: Solve for x
    x = 1,899,330.41/2,015.01
  6. Step 6: Final answer
    x = 942.59

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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.