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Finding the Fourth Proportional to 1,675.97, 2,513.92 and 443.39

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Solution

The fourth proportional to 1,675.97, 2,513.92 and 443.39 is: 665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.97 : 2,513.92 = 443.39 : x
  2. Step 2: Convert to fraction form
    1,675.97/2,513.92 = 443.39/x
  3. Step 3: Cross multiply
    1,675.97x = 2,513.92 × 443.39
  4. Step 4: Simplify right side
    1,675.97x = 1,114,652.17
  5. Step 5: Solve for x
    x = 1,114,652.17/1,675.97
  6. Step 6: Final answer
    x = 665.08

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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.