Home / 1,983.34-2,736.61-1,197.43

Finding the Fourth Proportional to 1,983.34, 2,736.61 and 1,197.43

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Solution

The fourth proportional to 1,983.34, 2,736.61 and 1,197.43 is: 1,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.34 : 2,736.61 = 1,197.43 : x
  2. Step 2: Convert to fraction form
    1,983.34/2,736.61 = 1,197.43/x
  3. Step 3: Cross multiply
    1,983.34x = 2,736.61 × 1,197.43
  4. Step 4: Simplify right side
    1,983.34x = 3,276,898.91
  5. Step 5: Solve for x
    x = 3,276,898.91/1,983.34
  6. Step 6: Final answer
    x = 1,652.21

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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.