Home / 4,135.23-5,708.12-2,738.43

Finding the Fourth Proportional to 4,135.23, 5,708.12 and 2,738.43

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Solution

The fourth proportional to 4,135.23, 5,708.12 and 2,738.43 is: 3,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.23 : 5,708.12 = 2,738.43 : x
  2. Step 2: Convert to fraction form
    4,135.23/5,708.12 = 2,738.43/x
  3. Step 3: Cross multiply
    4,135.23x = 5,708.12 × 2,738.43
  4. Step 4: Simplify right side
    4,135.23x = 15,631,273.36
  5. Step 5: Solve for x
    x = 15,631,273.36/4,135.23
  6. Step 6: Final answer
    x = 3,780.03

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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.