Home / 2,678.15-4,018.93-1,446.41

Finding the Fourth Proportional to 2,678.15, 4,018.93 and 1,446.41

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Solution

The fourth proportional to 2,678.15, 4,018.93 and 1,446.41 is: 2,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.15 : 4,018.93 = 1,446.41 : x
  2. Step 2: Convert to fraction form
    2,678.15/4,018.93 = 1,446.41/x
  3. Step 3: Cross multiply
    2,678.15x = 4,018.93 × 1,446.41
  4. Step 4: Simplify right side
    2,678.15x = 5,813,020.54
  5. Step 5: Solve for x
    x = 5,813,020.54/2,678.15
  6. Step 6: Final answer
    x = 2,170.54

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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.