Home / 2,837.88-4,256.82-2,189.56

Finding the Fourth Proportional to 2,837.88, 4,256.82 and 2,189.56

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Solution

The fourth proportional to 2,837.88, 4,256.82 and 2,189.56 is: 3,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.88 : 4,256.82 = 2,189.56 : x
  2. Step 2: Convert to fraction form
    2,837.88/4,256.82 = 2,189.56/x
  3. Step 3: Cross multiply
    2,837.88x = 4,256.82 × 2,189.56
  4. Step 4: Simplify right side
    2,837.88x = 9,320,562.80
  5. Step 5: Solve for x
    x = 9,320,562.80/2,837.88
  6. Step 6: Final answer
    x = 3,284.34

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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.