Home / 1,635.73-2,449.82-1,489.93

Finding the Fourth Proportional to 1,635.73, 2,449.82 and 1,489.93

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Solution

The fourth proportional to 1,635.73, 2,449.82 and 1,489.93 is: 2,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.73 : 2,449.82 = 1,489.93 : x
  2. Step 2: Convert to fraction form
    1,635.73/2,449.82 = 1,489.93/x
  3. Step 3: Cross multiply
    1,635.73x = 2,449.82 × 1,489.93
  4. Step 4: Simplify right side
    1,635.73x = 3,650,052.86
  5. Step 5: Solve for x
    x = 3,650,052.86/1,635.73
  6. Step 6: Final answer
    x = 2,231.45

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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.