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Finding the Fourth Proportional to 3,265.67, 4,898.26 and 956.87

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Solution

The fourth proportional to 3,265.67, 4,898.26 and 956.87 is: 1,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.67 : 4,898.26 = 956.87 : x
  2. Step 2: Convert to fraction form
    3,265.67/4,898.26 = 956.87/x
  3. Step 3: Cross multiply
    3,265.67x = 4,898.26 × 956.87
  4. Step 4: Simplify right side
    3,265.67x = 4,686,998.05
  5. Step 5: Solve for x
    x = 4,686,998.05/3,265.67
  6. Step 6: Final answer
    x = 1,435.23

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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.