Home / 2,250.34-3,105.09-1,255.58

Finding the Fourth Proportional to 2,250.34, 3,105.09 and 1,255.58

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Solution

The fourth proportional to 2,250.34, 3,105.09 and 1,255.58 is: 1,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.34 : 3,105.09 = 1,255.58 : x
  2. Step 2: Convert to fraction form
    2,250.34/3,105.09 = 1,255.58/x
  3. Step 3: Cross multiply
    2,250.34x = 3,105.09 × 1,255.58
  4. Step 4: Simplify right side
    2,250.34x = 3,898,688.90
  5. Step 5: Solve for x
    x = 3,898,688.90/2,250.34
  6. Step 6: Final answer
    x = 1,732.49

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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.