Home / 2,261.98-3,121.54-1,267.27

Finding the Fourth Proportional to 2,261.98, 3,121.54 and 1,267.27

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Solution

The fourth proportional to 2,261.98, 3,121.54 and 1,267.27 is: 1,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.98 : 3,121.54 = 1,267.27 : x
  2. Step 2: Convert to fraction form
    2,261.98/3,121.54 = 1,267.27/x
  3. Step 3: Cross multiply
    2,261.98x = 3,121.54 × 1,267.27
  4. Step 4: Simplify right side
    2,261.98x = 3,955,823.02
  5. Step 5: Solve for x
    x = 3,955,823.02/2,261.98
  6. Step 6: Final answer
    x = 1,748.83

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