Home / 2,774.43-4,163.70-1,313.58

Finding the Fourth Proportional to 2,774.43, 4,163.70 and 1,313.58

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Solution

The fourth proportional to 2,774.43, 4,163.70 and 1,313.58 is: 1,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.43 : 4,163.70 = 1,313.58 : x
  2. Step 2: Convert to fraction form
    2,774.43/4,163.70 = 1,313.58/x
  3. Step 3: Cross multiply
    2,774.43x = 4,163.70 × 1,313.58
  4. Step 4: Simplify right side
    2,774.43x = 5,469,349.76
  5. Step 5: Solve for x
    x = 5,469,349.76/2,774.43
  6. Step 6: Final answer
    x = 1,971.34

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1.5x scale

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.