Home / 3,219.50-4,440.48-2,226.44

Finding the Fourth Proportional to 3,219.50, 4,440.48 and 2,226.44

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Solution

The fourth proportional to 3,219.50, 4,440.48 and 2,226.44 is: 3,070.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.50 : 4,440.48 = 2,226.44 : x
  2. Step 2: Convert to fraction form
    3,219.50/4,440.48 = 2,226.44/x
  3. Step 3: Cross multiply
    3,219.50x = 4,440.48 × 2,226.44
  4. Step 4: Simplify right side
    3,219.50x = 9,886,462.29
  5. Step 5: Solve for x
    x = 9,886,462.29/3,219.50
  6. Step 6: Final answer
    x = 3,070.81

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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.