Home / 3,622.32-4,999.72-2,226.32

Finding the Fourth Proportional to 3,622.32, 4,999.72 and 2,226.32

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Solution

The fourth proportional to 3,622.32, 4,999.72 and 2,226.32 is: 3,072.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.32 : 4,999.72 = 2,226.32 : x
  2. Step 2: Convert to fraction form
    3,622.32/4,999.72 = 2,226.32/x
  3. Step 3: Cross multiply
    3,622.32x = 4,999.72 × 2,226.32
  4. Step 4: Simplify right side
    3,622.32x = 11,130,976.63
  5. Step 5: Solve for x
    x = 11,130,976.63/3,622.32
  6. Step 6: Final answer
    x = 3,072.89

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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.