Home / 2,183.17-3,011.77-1,298.47

Finding the Fourth Proportional to 2,183.17, 3,011.77 and 1,298.47

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Solution

The fourth proportional to 2,183.17, 3,011.77 and 1,298.47 is: 1,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.17 : 3,011.77 = 1,298.47 : x
  2. Step 2: Convert to fraction form
    2,183.17/3,011.77 = 1,298.47/x
  3. Step 3: Cross multiply
    2,183.17x = 3,011.77 × 1,298.47
  4. Step 4: Simplify right side
    2,183.17x = 3,910,692.99
  5. Step 5: Solve for x
    x = 3,910,692.99/2,183.17
  6. Step 6: Final answer
    x = 1,791.29

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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.