Home / 1,359.98-1,872.66-1,163.06

Finding the Fourth Proportional to 1,359.98, 1,872.66 and 1,163.06

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Solution

The fourth proportional to 1,359.98, 1,872.66 and 1,163.06 is: 1,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359.98 : 1,872.66 = 1,163.06 : x
  2. Step 2: Convert to fraction form
    1,359.98/1,872.66 = 1,163.06/x
  3. Step 3: Cross multiply
    1,359.98x = 1,872.66 × 1,163.06
  4. Step 4: Simplify right side
    1,359.98x = 2,178,015.94
  5. Step 5: Solve for x
    x = 2,178,015.94/1,359.98
  6. Step 6: Final answer
    x = 1,601.51

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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.