Home / 1,659.22-2,489.25-1,191.23

Finding the Fourth Proportional to 1,659.22, 2,489.25 and 1,191.23

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Solution

The fourth proportional to 1,659.22, 2,489.25 and 1,191.23 is: 1,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.22 : 2,489.25 = 1,191.23 : x
  2. Step 2: Convert to fraction form
    1,659.22/2,489.25 = 1,191.23/x
  3. Step 3: Cross multiply
    1,659.22x = 2,489.25 × 1,191.23
  4. Step 4: Simplify right side
    1,659.22x = 2,965,269.28
  5. Step 5: Solve for x
    x = 2,965,269.28/1,659.22
  6. Step 6: Final answer
    x = 1,787.15

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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.