Home / 2,755.45-4,123.94-2,261.84

Finding the Fourth Proportional to 2,755.45, 4,123.94 and 2,261.84

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Solution

The fourth proportional to 2,755.45, 4,123.94 and 2,261.84 is: 3,385.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.45 : 4,123.94 = 2,261.84 : x
  2. Step 2: Convert to fraction form
    2,755.45/4,123.94 = 2,261.84/x
  3. Step 3: Cross multiply
    2,755.45x = 4,123.94 × 2,261.84
  4. Step 4: Simplify right side
    2,755.45x = 9,327,677.48
  5. Step 5: Solve for x
    x = 9,327,677.48/2,755.45
  6. Step 6: Final answer
    x = 3,385.18

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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.