Home / 3,755.44-5,633.31-1,415.20

Finding the Fourth Proportional to 3,755.44, 5,633.31 and 1,415.20

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Solution

The fourth proportional to 3,755.44, 5,633.31 and 1,415.20 is: 2,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.44 : 5,633.31 = 1,415.20 : x
  2. Step 2: Convert to fraction form
    3,755.44/5,633.31 = 1,415.20/x
  3. Step 3: Cross multiply
    3,755.44x = 5,633.31 × 1,415.20
  4. Step 4: Simplify right side
    3,755.44x = 7,972,260.31
  5. Step 5: Solve for x
    x = 7,972,260.31/3,755.44
  6. Step 6: Final answer
    x = 2,122.86

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1.5x scale

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.