Home / 3,563.80-4,917.86-2,147.41

Finding the Fourth Proportional to 3,563.80, 4,917.86 and 2,147.41

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Solution

The fourth proportional to 3,563.80, 4,917.86 and 2,147.41 is: 2,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.80 : 4,917.86 = 2,147.41 : x
  2. Step 2: Convert to fraction form
    3,563.80/4,917.86 = 2,147.41/x
  3. Step 3: Cross multiply
    3,563.80x = 4,917.86 × 2,147.41
  4. Step 4: Simplify right side
    3,563.80x = 10,560,677.28
  5. Step 5: Solve for x
    x = 10,560,677.28/3,563.80
  6. Step 6: Final answer
    x = 2,963.32

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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.