Home / 3,018.28-4,520.54-2,653.80

Finding the Fourth Proportional to 3,018.28, 4,520.54 and 2,653.80

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Solution

The fourth proportional to 3,018.28, 4,520.54 and 2,653.80 is: 3,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.28 : 4,520.54 = 2,653.80 : x
  2. Step 2: Convert to fraction form
    3,018.28/4,520.54 = 2,653.80/x
  3. Step 3: Cross multiply
    3,018.28x = 4,520.54 × 2,653.80
  4. Step 4: Simplify right side
    3,018.28x = 11,996,609.05
  5. Step 5: Solve for x
    x = 11,996,609.05/3,018.28
  6. Step 6: Final answer
    x = 3,974.65

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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.