Home / 2,741.38-3,781.80-1,995

Finding the Fourth Proportional to 2,741.38, 3,781.80 and 1,995

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Solution

The fourth proportional to 2,741.38, 3,781.80 and 1,995 is: 2,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.38 : 3,781.80 = 1,995 : x
  2. Step 2: Convert to fraction form
    2,741.38/3,781.80 = 1,995/x
  3. Step 3: Cross multiply
    2,741.38x = 3,781.80 × 1,995
  4. Step 4: Simplify right side
    2,741.38x = 7,544,691
  5. Step 5: Solve for x
    x = 7,544,691/2,741.38
  6. Step 6: Final answer
    x = 2,752.15

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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.