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Finding the Fourth Proportional to 3,060.29, 4,589.04 and 979.82

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Solution

The fourth proportional to 3,060.29, 4,589.04 and 979.82 is: 1,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.29 : 4,589.04 = 979.82 : x
  2. Step 2: Convert to fraction form
    3,060.29/4,589.04 = 979.82/x
  3. Step 3: Cross multiply
    3,060.29x = 4,589.04 × 979.82
  4. Step 4: Simplify right side
    3,060.29x = 4,496,433.17
  5. Step 5: Solve for x
    x = 4,496,433.17/3,060.29
  6. Step 6: Final answer
    x = 1,469.28

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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.