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Finding the Fourth Proportional to 1,996.13, 2,994.90 and 1,447.35

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Solution

The fourth proportional to 1,996.13, 2,994.90 and 1,447.35 is: 2,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.13 : 2,994.90 = 1,447.35 : x
  2. Step 2: Convert to fraction form
    1,996.13/2,994.90 = 1,447.35/x
  3. Step 3: Cross multiply
    1,996.13x = 2,994.90 × 1,447.35
  4. Step 4: Simplify right side
    1,996.13x = 4,334,668.52
  5. Step 5: Solve for x
    x = 4,334,668.52/1,996.13
  6. Step 6: Final answer
    x = 2,171.54

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1.5x scale

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.