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Finding the Fourth Proportional to 2,975.94, 4,107.00 and 1,649.77

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Solution

The fourth proportional to 2,975.94, 4,107.00 and 1,649.77 is: 2,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.94 : 4,107.00 = 1,649.77 : x
  2. Step 2: Convert to fraction form
    2,975.94/4,107.00 = 1,649.77/x
  3. Step 3: Cross multiply
    2,975.94x = 4,107.00 × 1,649.77
  4. Step 4: Simplify right side
    2,975.94x = 6,775,601.31
  5. Step 5: Solve for x
    x = 6,775,601.31/2,975.94
  6. Step 6: Final answer
    x = 2,276.79

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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.