Home / 2,505.49-3,755.75-1,186.92

Finding the Fourth Proportional to 2,505.49, 3,755.75 and 1,186.92

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Solution

The fourth proportional to 2,505.49, 3,755.75 and 1,186.92 is: 1,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.49 : 3,755.75 = 1,186.92 : x
  2. Step 2: Convert to fraction form
    2,505.49/3,755.75 = 1,186.92/x
  3. Step 3: Cross multiply
    2,505.49x = 3,755.75 × 1,186.92
  4. Step 4: Simplify right side
    2,505.49x = 4,457,791.84
  5. Step 5: Solve for x
    x = 4,457,791.84/2,505.49
  6. Step 6: Final answer
    x = 1,779.21

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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.