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Finding the Fourth Proportional to 2,883.56, 4,324.32 and 935.28

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Solution

The fourth proportional to 2,883.56, 4,324.32 and 935.28 is: 1,402.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.56 : 4,324.32 = 935.28 : x
  2. Step 2: Convert to fraction form
    2,883.56/4,324.32 = 935.28/x
  3. Step 3: Cross multiply
    2,883.56x = 4,324.32 × 935.28
  4. Step 4: Simplify right side
    2,883.56x = 4,044,450.01
  5. Step 5: Solve for x
    x = 4,044,450.01/2,883.56
  6. Step 6: Final answer
    x = 1,402.59

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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.