Home / 3,101.44-4,646.40-2,755.84

Finding the Fourth Proportional to 3,101.44, 4,646.40 and 2,755.84

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Solution

The fourth proportional to 3,101.44, 4,646.40 and 2,755.84 is: 4,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.44 : 4,646.40 = 2,755.84 : x
  2. Step 2: Convert to fraction form
    3,101.44/4,646.40 = 2,755.84/x
  3. Step 3: Cross multiply
    3,101.44x = 4,646.40 × 2,755.84
  4. Step 4: Simplify right side
    3,101.44x = 12,804,734.98
  5. Step 5: Solve for x
    x = 12,804,734.98/3,101.44
  6. Step 6: Final answer
    x = 4,128.64

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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.