Home / 3,755.30-5,630.06-1,415.26

Finding the Fourth Proportional to 3,755.30, 5,630.06 and 1,415.26

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Solution

The fourth proportional to 3,755.30, 5,630.06 and 1,415.26 is: 2,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.30 : 5,630.06 = 1,415.26 : x
  2. Step 2: Convert to fraction form
    3,755.30/5,630.06 = 1,415.26/x
  3. Step 3: Cross multiply
    3,755.30x = 5,630.06 × 1,415.26
  4. Step 4: Simplify right side
    3,755.30x = 7,967,998.72
  5. Step 5: Solve for x
    x = 7,967,998.72/3,755.30
  6. Step 6: Final answer
    x = 2,121.80

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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.