Home / 1,983.89-2,737.77-1,197.92

Finding the Fourth Proportional to 1,983.89, 2,737.77 and 1,197.92

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Solution

The fourth proportional to 1,983.89, 2,737.77 and 1,197.92 is: 1,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.89 : 2,737.77 = 1,197.92 : x
  2. Step 2: Convert to fraction form
    1,983.89/2,737.77 = 1,197.92/x
  3. Step 3: Cross multiply
    1,983.89x = 2,737.77 × 1,197.92
  4. Step 4: Simplify right side
    1,983.89x = 3,279,629.44
  5. Step 5: Solve for x
    x = 3,279,629.44/1,983.89
  6. Step 6: Final answer
    x = 1,653.13

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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.