Home / 2,993.45-4,129.83-1,814.09

Finding the Fourth Proportional to 2,993.45, 4,129.83 and 1,814.09

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Solution

The fourth proportional to 2,993.45, 4,129.83 and 1,814.09 is: 2,502.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.45 : 4,129.83 = 1,814.09 : x
  2. Step 2: Convert to fraction form
    2,993.45/4,129.83 = 1,814.09/x
  3. Step 3: Cross multiply
    2,993.45x = 4,129.83 × 1,814.09
  4. Step 4: Simplify right side
    2,993.45x = 7,491,862.66
  5. Step 5: Solve for x
    x = 7,491,862.66/2,993.45
  6. Step 6: Final answer
    x = 2,502.76

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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.