Home / 2,976.96-4,107.91-1,650.63

Finding the Fourth Proportional to 2,976.96, 4,107.91 and 1,650.63

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Solution

The fourth proportional to 2,976.96, 4,107.91 and 1,650.63 is: 2,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.96 : 4,107.91 = 1,650.63 : x
  2. Step 2: Convert to fraction form
    2,976.96/4,107.91 = 1,650.63/x
  3. Step 3: Cross multiply
    2,976.96x = 4,107.91 × 1,650.63
  4. Step 4: Simplify right side
    2,976.96x = 6,780,650.76
  5. Step 5: Solve for x
    x = 6,780,650.76/2,976.96
  6. Step 6: Final answer
    x = 2,277.71

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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.