Home / 2,228.62-3,078.02-1,519.25

Finding the Fourth Proportional to 2,228.62, 3,078.02 and 1,519.25

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Solution

The fourth proportional to 2,228.62, 3,078.02 and 1,519.25 is: 2,098.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.62 : 3,078.02 = 1,519.25 : x
  2. Step 2: Convert to fraction form
    2,228.62/3,078.02 = 1,519.25/x
  3. Step 3: Cross multiply
    2,228.62x = 3,078.02 × 1,519.25
  4. Step 4: Simplify right side
    2,228.62x = 4,676,258.90
  5. Step 5: Solve for x
    x = 4,676,258.90/2,228.62
  6. Step 6: Final answer
    x = 2,098.28

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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.