Home / 2,203.14-3,303.66-1,278.98

Finding the Fourth Proportional to 2,203.14, 3,303.66 and 1,278.98

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Solution

The fourth proportional to 2,203.14, 3,303.66 and 1,278.98 is: 1,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.14 : 3,303.66 = 1,278.98 : x
  2. Step 2: Convert to fraction form
    2,203.14/3,303.66 = 1,278.98/x
  3. Step 3: Cross multiply
    2,203.14x = 3,303.66 × 1,278.98
  4. Step 4: Simplify right side
    2,203.14x = 4,225,323.33
  5. Step 5: Solve for x
    x = 4,225,323.33/2,203.14
  6. Step 6: Final answer
    x = 1,917.86

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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.