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Finding the Fourth Proportional to 1,830.87, 2,745.32 and 952.49

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Solution

The fourth proportional to 1,830.87, 2,745.32 and 952.49 is: 1,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.87 : 2,745.32 = 952.49 : x
  2. Step 2: Convert to fraction form
    1,830.87/2,745.32 = 952.49/x
  3. Step 3: Cross multiply
    1,830.87x = 2,745.32 × 952.49
  4. Step 4: Simplify right side
    1,830.87x = 2,614,889.85
  5. Step 5: Solve for x
    x = 2,614,889.85/1,830.87
  6. Step 6: Final answer
    x = 1,428.22

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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.