Home / 2,782.14-3,839.27-1,523.18

Finding the Fourth Proportional to 2,782.14, 3,839.27 and 1,523.18

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Solution

The fourth proportional to 2,782.14, 3,839.27 and 1,523.18 is: 2,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.14 : 3,839.27 = 1,523.18 : x
  2. Step 2: Convert to fraction form
    2,782.14/3,839.27 = 1,523.18/x
  3. Step 3: Cross multiply
    2,782.14x = 3,839.27 × 1,523.18
  4. Step 4: Simplify right side
    2,782.14x = 5,847,872.47
  5. Step 5: Solve for x
    x = 5,847,872.47/2,782.14
  6. Step 6: Final answer
    x = 2,101.93

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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.