Home / 2,202.70-3,303.02-1,278.54

Finding the Fourth Proportional to 2,202.70, 3,303.02 and 1,278.54

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Solution

The fourth proportional to 2,202.70, 3,303.02 and 1,278.54 is: 1,917.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.70 : 3,303.02 = 1,278.54 : x
  2. Step 2: Convert to fraction form
    2,202.70/3,303.02 = 1,278.54/x
  3. Step 3: Cross multiply
    2,202.70x = 3,303.02 × 1,278.54
  4. Step 4: Simplify right side
    2,202.70x = 4,223,043.19
  5. Step 5: Solve for x
    x = 4,223,043.19/2,202.70
  6. Step 6: Final answer
    x = 1,917.21

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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.