Home / 2,261.06-3,390.56-1,273.85

Finding the Fourth Proportional to 2,261.06, 3,390.56 and 1,273.85

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Solution

The fourth proportional to 2,261.06, 3,390.56 and 1,273.85 is: 1,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.06 : 3,390.56 = 1,273.85 : x
  2. Step 2: Convert to fraction form
    2,261.06/3,390.56 = 1,273.85/x
  3. Step 3: Cross multiply
    2,261.06x = 3,390.56 × 1,273.85
  4. Step 4: Simplify right side
    2,261.06x = 4,319,068.56
  5. Step 5: Solve for x
    x = 4,319,068.56/2,261.06
  6. Step 6: Final answer
    x = 1,910.19

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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.