Home / 2,814.39-4,218.74-1,352.75

Finding the Fourth Proportional to 2,814.39, 4,218.74 and 1,352.75

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Solution

The fourth proportional to 2,814.39, 4,218.74 and 1,352.75 is: 2,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.39 : 4,218.74 = 1,352.75 : x
  2. Step 2: Convert to fraction form
    2,814.39/4,218.74 = 1,352.75/x
  3. Step 3: Cross multiply
    2,814.39x = 4,218.74 × 1,352.75
  4. Step 4: Simplify right side
    2,814.39x = 5,706,882.82
  5. Step 5: Solve for x
    x = 5,706,882.82/2,814.39
  6. Step 6: Final answer
    x = 2,027.75

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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.