Home / 2,739.42-3,781.08-1,995.84

Finding the Fourth Proportional to 2,739.42, 3,781.08 and 1,995.84

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Solution

The fourth proportional to 2,739.42, 3,781.08 and 1,995.84 is: 2,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.42 : 3,781.08 = 1,995.84 : x
  2. Step 2: Convert to fraction form
    2,739.42/3,781.08 = 1,995.84/x
  3. Step 3: Cross multiply
    2,739.42x = 3,781.08 × 1,995.84
  4. Step 4: Simplify right side
    2,739.42x = 7,546,430.71
  5. Step 5: Solve for x
    x = 7,546,430.71/2,739.42
  6. Step 6: Final answer
    x = 2,754.75

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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.