Home / 3,837.22-5,755.68-1,240.24

Finding the Fourth Proportional to 3,837.22, 5,755.68 and 1,240.24

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Solution

The fourth proportional to 3,837.22, 5,755.68 and 1,240.24 is: 1,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.22 : 5,755.68 = 1,240.24 : x
  2. Step 2: Convert to fraction form
    3,837.22/5,755.68 = 1,240.24/x
  3. Step 3: Cross multiply
    3,837.22x = 5,755.68 × 1,240.24
  4. Step 4: Simplify right side
    3,837.22x = 7,138,424.56
  5. Step 5: Solve for x
    x = 7,138,424.56/3,837.22
  6. Step 6: Final answer
    x = 1,860.31

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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.