Home / 4,139.24-5,713.62-2,742.44

Finding the Fourth Proportional to 4,139.24, 5,713.62 and 2,742.44

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Solution

The fourth proportional to 4,139.24, 5,713.62 and 2,742.44 is: 3,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.24 : 5,713.62 = 2,742.44 : x
  2. Step 2: Convert to fraction form
    4,139.24/5,713.62 = 2,742.44/x
  3. Step 3: Cross multiply
    4,139.24x = 5,713.62 × 2,742.44
  4. Step 4: Simplify right side
    4,139.24x = 15,669,260.03
  5. Step 5: Solve for x
    x = 15,669,260.03/4,139.24
  6. Step 6: Final answer
    x = 3,785.54

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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.