Home / 3,226.08-4,446.72-2,176.32

Finding the Fourth Proportional to 3,226.08, 4,446.72 and 2,176.32

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Solution

The fourth proportional to 3,226.08, 4,446.72 and 2,176.32 is: 2,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.08 : 4,446.72 = 2,176.32 : x
  2. Step 2: Convert to fraction form
    3,226.08/4,446.72 = 2,176.32/x
  3. Step 3: Cross multiply
    3,226.08x = 4,446.72 × 2,176.32
  4. Step 4: Simplify right side
    3,226.08x = 9,677,485.67
  5. Step 5: Solve for x
    x = 9,677,485.67/3,226.08
  6. Step 6: Final answer
    x = 2,999.77

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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.