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Finding the Fourth Proportional to 1,324.89, 1,828.14 and 735.42

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Solution

The fourth proportional to 1,324.89, 1,828.14 and 735.42 is: 1,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.89 : 1,828.14 = 735.42 : x
  2. Step 2: Convert to fraction form
    1,324.89/1,828.14 = 735.42/x
  3. Step 3: Cross multiply
    1,324.89x = 1,828.14 × 735.42
  4. Step 4: Simplify right side
    1,324.89x = 1,344,450.72
  5. Step 5: Solve for x
    x = 1,344,450.72/1,324.89
  6. Step 6: Final answer
    x = 1,014.76

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1.5x scale

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.