Home / 3,544.50-4,891.80-2,147.28

Finding the Fourth Proportional to 3,544.50, 4,891.80 and 2,147.28

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Solution

The fourth proportional to 3,544.50, 4,891.80 and 2,147.28 is: 2,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.50 : 4,891.80 = 2,147.28 : x
  2. Step 2: Convert to fraction form
    3,544.50/4,891.80 = 2,147.28/x
  3. Step 3: Cross multiply
    3,544.50x = 4,891.80 × 2,147.28
  4. Step 4: Simplify right side
    3,544.50x = 10,504,064.30
  5. Step 5: Solve for x
    x = 10,504,064.30/3,544.50
  6. Step 6: Final answer
    x = 2,963.48

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1.5x scale

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.