Home / 2,843.24-4,262.34-1,455.80

Finding the Fourth Proportional to 2,843.24, 4,262.34 and 1,455.80

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Solution

The fourth proportional to 2,843.24, 4,262.34 and 1,455.80 is: 2,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.24 : 4,262.34 = 1,455.80 : x
  2. Step 2: Convert to fraction form
    2,843.24/4,262.34 = 1,455.80/x
  3. Step 3: Cross multiply
    2,843.24x = 4,262.34 × 1,455.80
  4. Step 4: Simplify right side
    2,843.24x = 6,205,114.57
  5. Step 5: Solve for x
    x = 6,205,114.57/2,843.24
  6. Step 6: Final answer
    x = 2,182.41

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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.