Home / 3,995.26-5,511.96-2,422.78

Finding the Fourth Proportional to 3,995.26, 5,511.96 and 2,422.78

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Solution

The fourth proportional to 3,995.26, 5,511.96 and 2,422.78 is: 3,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.26 : 5,511.96 = 2,422.78 : x
  2. Step 2: Convert to fraction form
    3,995.26/5,511.96 = 2,422.78/x
  3. Step 3: Cross multiply
    3,995.26x = 5,511.96 × 2,422.78
  4. Step 4: Simplify right side
    3,995.26x = 13,354,266.45
  5. Step 5: Solve for x
    x = 13,354,266.45/3,995.26
  6. Step 6: Final answer
    x = 3,342.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.