Home / 3,014.20-4,518.60-1,974.70

Finding the Fourth Proportional to 3,014.20, 4,518.60 and 1,974.70

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Solution

The fourth proportional to 3,014.20, 4,518.60 and 1,974.70 is: 2,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.20 : 4,518.60 = 1,974.70 : x
  2. Step 2: Convert to fraction form
    3,014.20/4,518.60 = 1,974.70/x
  3. Step 3: Cross multiply
    3,014.20x = 4,518.60 × 1,974.70
  4. Step 4: Simplify right side
    3,014.20x = 8,922,879.42
  5. Step 5: Solve for x
    x = 8,922,879.42/3,014.20
  6. Step 6: Final answer
    x = 2,960.28

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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.