Home / 2,222.08-3,340.32-2,152.96

Finding the Fourth Proportional to 2,222.08, 3,340.32 and 2,152.96

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Solution

The fourth proportional to 2,222.08, 3,340.32 and 2,152.96 is: 3,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.08 : 3,340.32 = 2,152.96 : x
  2. Step 2: Convert to fraction form
    2,222.08/3,340.32 = 2,152.96/x
  3. Step 3: Cross multiply
    2,222.08x = 3,340.32 × 2,152.96
  4. Step 4: Simplify right side
    2,222.08x = 7,191,575.35
  5. Step 5: Solve for x
    x = 7,191,575.35/2,222.08
  6. Step 6: Final answer
    x = 3,236.42

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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.