Home / 1,638.32-2,456.82-598.08

Finding the Fourth Proportional to 1,638.32, 2,456.82 and 598.08

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Solution

The fourth proportional to 1,638.32, 2,456.82 and 598.08 is: 896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638.32 : 2,456.82 = 598.08 : x
  2. Step 2: Convert to fraction form
    1,638.32/2,456.82 = 598.08/x
  3. Step 3: Cross multiply
    1,638.32x = 2,456.82 × 598.08
  4. Step 4: Simplify right side
    1,638.32x = 1,469,374.91
  5. Step 5: Solve for x
    x = 1,469,374.91/1,638.32
  6. Step 6: Final answer
    x = 896.88

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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.