Home / 1,327.26-1,829.88-1,142.73

Finding the Fourth Proportional to 1,327.26, 1,829.88 and 1,142.73

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Solution

The fourth proportional to 1,327.26, 1,829.88 and 1,142.73 is: 1,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.26 : 1,829.88 = 1,142.73 : x
  2. Step 2: Convert to fraction form
    1,327.26/1,829.88 = 1,142.73/x
  3. Step 3: Cross multiply
    1,327.26x = 1,829.88 × 1,142.73
  4. Step 4: Simplify right side
    1,327.26x = 2,091,058.77
  5. Step 5: Solve for x
    x = 2,091,058.77/1,327.26
  6. Step 6: Final answer
    x = 1,575.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.