Home / 3,544.40-5,319.83-2,720.00

Finding the Fourth Proportional to 3,544.40, 5,319.83 and 2,720.00

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Solution

The fourth proportional to 3,544.40, 5,319.83 and 2,720.00 is: 4,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.40 : 5,319.83 = 2,720.00 : x
  2. Step 2: Convert to fraction form
    3,544.40/5,319.83 = 2,720.00/x
  3. Step 3: Cross multiply
    3,544.40x = 5,319.83 × 2,720.00
  4. Step 4: Simplify right side
    3,544.40x = 14,469,917.80
  5. Step 5: Solve for x
    x = 14,469,917.80/3,544.40
  6. Step 6: Final answer
    x = 4,082.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.