Home / 3,018.95-4,524.78-2,195.18

Finding the Fourth Proportional to 3,018.95, 4,524.78 and 2,195.18

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Solution

The fourth proportional to 3,018.95, 4,524.78 and 2,195.18 is: 3,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.95 : 4,524.78 = 2,195.18 : x
  2. Step 2: Convert to fraction form
    3,018.95/4,524.78 = 2,195.18/x
  3. Step 3: Cross multiply
    3,018.95x = 4,524.78 × 2,195.18
  4. Step 4: Simplify right side
    3,018.95x = 9,932,706.56
  5. Step 5: Solve for x
    x = 9,932,706.56/3,018.95
  6. Step 6: Final answer
    x = 3,290.12

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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.