Home / 2,203.12-3,303.60-1,228.96

Finding the Fourth Proportional to 2,203.12, 3,303.60 and 1,228.96

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Solution

The fourth proportional to 2,203.12, 3,303.60 and 1,228.96 is: 1,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.12 : 3,303.60 = 1,228.96 : x
  2. Step 2: Convert to fraction form
    2,203.12/3,303.60 = 1,228.96/x
  3. Step 3: Cross multiply
    2,203.12x = 3,303.60 × 1,228.96
  4. Step 4: Simplify right side
    2,203.12x = 4,059,992.26
  5. Step 5: Solve for x
    x = 4,059,992.26/2,203.12
  6. Step 6: Final answer
    x = 1,842.84

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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.