Home / 4,231.88-5,839.18-2,739.59

Finding the Fourth Proportional to 4,231.88, 5,839.18 and 2,739.59

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Solution

The fourth proportional to 4,231.88, 5,839.18 and 2,739.59 is: 3,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.88 : 5,839.18 = 2,739.59 : x
  2. Step 2: Convert to fraction form
    4,231.88/5,839.18 = 2,739.59/x
  3. Step 3: Cross multiply
    4,231.88x = 5,839.18 × 2,739.59
  4. Step 4: Simplify right side
    4,231.88x = 15,996,959.14
  5. Step 5: Solve for x
    x = 15,996,959.14/4,231.88
  6. Step 6: Final answer
    x = 3,780.11

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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.