Home / 1,654.23-2,481.41-729.57

Finding the Fourth Proportional to 1,654.23, 2,481.41 and 729.57

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Solution

The fourth proportional to 1,654.23, 2,481.41 and 729.57 is: 1,094.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.23 : 2,481.41 = 729.57 : x
  2. Step 2: Convert to fraction form
    1,654.23/2,481.41 = 729.57/x
  3. Step 3: Cross multiply
    1,654.23x = 2,481.41 × 729.57
  4. Step 4: Simplify right side
    1,654.23x = 1,810,362.29
  5. Step 5: Solve for x
    x = 1,810,362.29/1,654.23
  6. Step 6: Final answer
    x = 1,094.39

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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.