Home / 1,983.59-2,736.96-1,197.68

Finding the Fourth Proportional to 1,983.59, 2,736.96 and 1,197.68

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Solution

The fourth proportional to 1,983.59, 2,736.96 and 1,197.68 is: 1,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.59 : 2,736.96 = 1,197.68 : x
  2. Step 2: Convert to fraction form
    1,983.59/2,736.96 = 1,197.68/x
  3. Step 3: Cross multiply
    1,983.59x = 2,736.96 × 1,197.68
  4. Step 4: Simplify right side
    1,983.59x = 3,278,002.25
  5. Step 5: Solve for x
    x = 3,278,002.25/1,983.59
  6. Step 6: Final answer
    x = 1,652.56

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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.