Home / 2,560.80-3,844.26-2,007.20

Finding the Fourth Proportional to 2,560.80, 3,844.26 and 2,007.20

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Solution

The fourth proportional to 2,560.80, 3,844.26 and 2,007.20 is: 3,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.80 : 3,844.26 = 2,007.20 : x
  2. Step 2: Convert to fraction form
    2,560.80/3,844.26 = 2,007.20/x
  3. Step 3: Cross multiply
    2,560.80x = 3,844.26 × 2,007.20
  4. Step 4: Simplify right side
    2,560.80x = 7,716,198.67
  5. Step 5: Solve for x
    x = 7,716,198.67/2,560.80
  6. Step 6: Final answer
    x = 3,013.20

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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.