Home / 1,983.24-2,729.16-1,601.82

Finding the Fourth Proportional to 1,983.24, 2,729.16 and 1,601.82

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Solution

The fourth proportional to 1,983.24, 2,729.16 and 1,601.82 is: 2,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.24 : 2,729.16 = 1,601.82 : x
  2. Step 2: Convert to fraction form
    1,983.24/2,729.16 = 1,601.82/x
  3. Step 3: Cross multiply
    1,983.24x = 2,729.16 × 1,601.82
  4. Step 4: Simplify right side
    1,983.24x = 4,371,623.07
  5. Step 5: Solve for x
    x = 4,371,623.07/1,983.24
  6. Step 6: Final answer
    x = 2,204.28

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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.