Home / 3,878.97-5,353.32-2,200.44

Finding the Fourth Proportional to 3,878.97, 5,353.32 and 2,200.44

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Solution

The fourth proportional to 3,878.97, 5,353.32 and 2,200.44 is: 3,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878.97 : 5,353.32 = 2,200.44 : x
  2. Step 2: Convert to fraction form
    3,878.97/5,353.32 = 2,200.44/x
  3. Step 3: Cross multiply
    3,878.97x = 5,353.32 × 2,200.44
  4. Step 4: Simplify right side
    3,878.97x = 11,779,659.46
  5. Step 5: Solve for x
    x = 11,779,659.46/3,878.97
  6. Step 6: Final answer
    x = 3,036.80

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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.