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Finding the Fourth Proportional to 1,429.26, 2,141.04 and 882.54

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Solution

The fourth proportional to 1,429.26, 2,141.04 and 882.54 is: 1,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429.26 : 2,141.04 = 882.54 : x
  2. Step 2: Convert to fraction form
    1,429.26/2,141.04 = 882.54/x
  3. Step 3: Cross multiply
    1,429.26x = 2,141.04 × 882.54
  4. Step 4: Simplify right side
    1,429.26x = 1,889,553.44
  5. Step 5: Solve for x
    x = 1,889,553.44/1,429.26
  6. Step 6: Final answer
    x = 1,322.05

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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.