Home / 1,241.41-1,862.25-1,170.13

Finding the Fourth Proportional to 1,241.41, 1,862.25 and 1,170.13

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Solution

The fourth proportional to 1,241.41, 1,862.25 and 1,170.13 is: 1,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.41 : 1,862.25 = 1,170.13 : x
  2. Step 2: Convert to fraction form
    1,241.41/1,862.25 = 1,170.13/x
  3. Step 3: Cross multiply
    1,241.41x = 1,862.25 × 1,170.13
  4. Step 4: Simplify right side
    1,241.41x = 2,179,074.59
  5. Step 5: Solve for x
    x = 2,179,074.59/1,241.41
  6. Step 6: Final answer
    x = 1,755.32

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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.