Home / 3,055.26-4,579.20-2,187.75

Finding the Fourth Proportional to 3,055.26, 4,579.20 and 2,187.75

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Solution

The fourth proportional to 3,055.26, 4,579.20 and 2,187.75 is: 3,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.26 : 4,579.20 = 2,187.75 : x
  2. Step 2: Convert to fraction form
    3,055.26/4,579.20 = 2,187.75/x
  3. Step 3: Cross multiply
    3,055.26x = 4,579.20 × 2,187.75
  4. Step 4: Simplify right side
    3,055.26x = 10,018,144.80
  5. Step 5: Solve for x
    x = 10,018,144.80/3,055.26
  6. Step 6: Final answer
    x = 3,278.98

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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.