Home / 2,814.56-4,221.39-1,771.37

Finding the Fourth Proportional to 2,814.56, 4,221.39 and 1,771.37

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Solution

The fourth proportional to 2,814.56, 4,221.39 and 1,771.37 is: 2,656.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.56 : 4,221.39 = 1,771.37 : x
  2. Step 2: Convert to fraction form
    2,814.56/4,221.39 = 1,771.37/x
  3. Step 3: Cross multiply
    2,814.56x = 4,221.39 × 1,771.37
  4. Step 4: Simplify right side
    2,814.56x = 7,477,622.50
  5. Step 5: Solve for x
    x = 7,477,622.50/2,814.56
  6. Step 6: Final answer
    x = 2,656.77

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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.