Home / 2,610.24-3,912.80-1,072.32

Finding the Fourth Proportional to 2,610.24, 3,912.80 and 1,072.32

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Solution

The fourth proportional to 2,610.24, 3,912.80 and 1,072.32 is: 1,607.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.24 : 3,912.80 = 1,072.32 : x
  2. Step 2: Convert to fraction form
    2,610.24/3,912.80 = 1,072.32/x
  3. Step 3: Cross multiply
    2,610.24x = 3,912.80 × 1,072.32
  4. Step 4: Simplify right side
    2,610.24x = 4,195,773.70
  5. Step 5: Solve for x
    x = 4,195,773.70/2,610.24
  6. Step 6: Final answer
    x = 1,607.43

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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.