Home / 1,611.23-2,412.72-1,061.73

Finding the Fourth Proportional to 1,611.23, 2,412.72 and 1,061.73

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Solution

The fourth proportional to 1,611.23, 2,412.72 and 1,061.73 is: 1,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.23 : 2,412.72 = 1,061.73 : x
  2. Step 2: Convert to fraction form
    1,611.23/2,412.72 = 1,061.73/x
  3. Step 3: Cross multiply
    1,611.23x = 2,412.72 × 1,061.73
  4. Step 4: Simplify right side
    1,611.23x = 2,561,657.21
  5. Step 5: Solve for x
    x = 2,561,657.21/1,611.23
  6. Step 6: Final answer
    x = 1,589.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.