Home / 2,015.16-3,022.77-628.49

Finding the Fourth Proportional to 2,015.16, 3,022.77 and 628.49

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Solution

The fourth proportional to 2,015.16, 3,022.77 and 628.49 is: 942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.16 : 3,022.77 = 628.49 : x
  2. Step 2: Convert to fraction form
    2,015.16/3,022.77 = 628.49/x
  3. Step 3: Cross multiply
    2,015.16x = 3,022.77 × 628.49
  4. Step 4: Simplify right side
    2,015.16x = 1,899,765.60
  5. Step 5: Solve for x
    x = 1,899,765.60/2,015.16
  6. Step 6: Final answer
    x = 942.74

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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.