Home / 2,667.76-3,999.31-1,025.48

Finding the Fourth Proportional to 2,667.76, 3,999.31 and 1,025.48

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Solution

The fourth proportional to 2,667.76, 3,999.31 and 1,025.48 is: 1,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.76 : 3,999.31 = 1,025.48 : x
  2. Step 2: Convert to fraction form
    2,667.76/3,999.31 = 1,025.48/x
  3. Step 3: Cross multiply
    2,667.76x = 3,999.31 × 1,025.48
  4. Step 4: Simplify right side
    2,667.76x = 4,101,219.85
  5. Step 5: Solve for x
    x = 4,101,219.85/2,667.76
  6. Step 6: Final answer
    x = 1,537.33

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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.