Home / 1,293.26-1,773.08-1,269.90

Finding the Fourth Proportional to 1,293.26, 1,773.08 and 1,269.90

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Solution

The fourth proportional to 1,293.26, 1,773.08 and 1,269.90 is: 1,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293.26 : 1,773.08 = 1,269.90 : x
  2. Step 2: Convert to fraction form
    1,293.26/1,773.08 = 1,269.90/x
  3. Step 3: Cross multiply
    1,293.26x = 1,773.08 × 1,269.90
  4. Step 4: Simplify right side
    1,293.26x = 2,251,634.29
  5. Step 5: Solve for x
    x = 2,251,634.29/1,293.26
  6. Step 6: Final answer
    x = 1,741.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.