Home / 2,945.97-4,065.34-1,619.67

Finding the Fourth Proportional to 2,945.97, 4,065.34 and 1,619.67

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Solution

The fourth proportional to 2,945.97, 4,065.34 and 1,619.67 is: 2,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.97 : 4,065.34 = 1,619.67 : x
  2. Step 2: Convert to fraction form
    2,945.97/4,065.34 = 1,619.67/x
  3. Step 3: Cross multiply
    2,945.97x = 4,065.34 × 1,619.67
  4. Step 4: Simplify right side
    2,945.97x = 6,584,489.94
  5. Step 5: Solve for x
    x = 6,584,489.94/2,945.97
  6. Step 6: Final answer
    x = 2,235.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.