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Finding the Fourth Proportional to 2,993.05, 4,131.09 and 1,943.29

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Solution

The fourth proportional to 2,993.05, 4,131.09 and 1,943.29 is: 2,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.05 : 4,131.09 = 1,943.29 : x
  2. Step 2: Convert to fraction form
    2,993.05/4,131.09 = 1,943.29/x
  3. Step 3: Cross multiply
    2,993.05x = 4,131.09 × 1,943.29
  4. Step 4: Simplify right side
    2,993.05x = 8,027,885.23
  5. Step 5: Solve for x
    x = 8,027,885.23/2,993.05
  6. Step 6: Final answer
    x = 2,682.18

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1.5x scale

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.