Home / 2,782.09-3,839.24-1,523.14

Finding the Fourth Proportional to 2,782.09, 3,839.24 and 1,523.14

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Solution

The fourth proportional to 2,782.09, 3,839.24 and 1,523.14 is: 2,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.09 : 3,839.24 = 1,523.14 : x
  2. Step 2: Convert to fraction form
    2,782.09/3,839.24 = 1,523.14/x
  3. Step 3: Cross multiply
    2,782.09x = 3,839.24 × 1,523.14
  4. Step 4: Simplify right side
    2,782.09x = 5,847,694.22
  5. Step 5: Solve for x
    x = 5,847,694.22/2,782.09
  6. Step 6: Final answer
    x = 2,101.91

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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.