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Finding the Fourth Proportional to 1,675.01, 2,512.46 and 442.43

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Solution

The fourth proportional to 1,675.01, 2,512.46 and 442.43 is: 663.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.01 : 2,512.46 = 442.43 : x
  2. Step 2: Convert to fraction form
    1,675.01/2,512.46 = 442.43/x
  3. Step 3: Cross multiply
    1,675.01x = 2,512.46 × 442.43
  4. Step 4: Simplify right side
    1,675.01x = 1,111,575.12
  5. Step 5: Solve for x
    x = 1,111,575.12/1,675.01
  6. Step 6: Final answer
    x = 663.62

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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.