Home / 2,228.85-3,078.33-1,519.46

Finding the Fourth Proportional to 2,228.85, 3,078.33 and 1,519.46

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Solution

The fourth proportional to 2,228.85, 3,078.33 and 1,519.46 is: 2,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.85 : 3,078.33 = 1,519.46 : x
  2. Step 2: Convert to fraction form
    2,228.85/3,078.33 = 1,519.46/x
  3. Step 3: Cross multiply
    2,228.85x = 3,078.33 × 1,519.46
  4. Step 4: Simplify right side
    2,228.85x = 4,677,399.30
  5. Step 5: Solve for x
    x = 4,677,399.30/2,228.85
  6. Step 6: Final answer
    x = 2,098.57

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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.