Home / 1,081.94-1,623.09-534.18

Finding the Fourth Proportional to 1,081.94, 1,623.09 and 534.18

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Solution

The fourth proportional to 1,081.94, 1,623.09 and 534.18 is: 801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081.94 : 1,623.09 = 534.18 : x
  2. Step 2: Convert to fraction form
    1,081.94/1,623.09 = 534.18/x
  3. Step 3: Cross multiply
    1,081.94x = 1,623.09 × 534.18
  4. Step 4: Simplify right side
    1,081.94x = 867,022.22
  5. Step 5: Solve for x
    x = 867,022.22/1,081.94
  6. Step 6: Final answer
    x = 801.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.