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Finding the Fourth Proportional to 1,993.52, 3,008.66 and 1,941.68

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Solution

The fourth proportional to 1,993.52, 3,008.66 and 1,941.68 is: 2,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.52 : 3,008.66 = 1,941.68 : x
  2. Step 2: Convert to fraction form
    1,993.52/3,008.66 = 1,941.68/x
  3. Step 3: Cross multiply
    1,993.52x = 3,008.66 × 1,941.68
  4. Step 4: Simplify right side
    1,993.52x = 5,841,854.95
  5. Step 5: Solve for x
    x = 5,841,854.95/1,993.52
  6. Step 6: Final answer
    x = 2,930.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.