Home / 3,278.03-4,917.73-1,814.11

Finding the Fourth Proportional to 3,278.03, 4,917.73 and 1,814.11

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Solution

The fourth proportional to 3,278.03, 4,917.73 and 1,814.11 is: 2,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.03 : 4,917.73 = 1,814.11 : x
  2. Step 2: Convert to fraction form
    3,278.03/4,917.73 = 1,814.11/x
  3. Step 3: Cross multiply
    3,278.03x = 4,917.73 × 1,814.11
  4. Step 4: Simplify right side
    3,278.03x = 8,921,303.17
  5. Step 5: Solve for x
    x = 8,921,303.17/3,278.03
  6. Step 6: Final answer
    x = 2,721.54

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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.