Home / 4,135.48-5,708.46-2,738.68

Finding the Fourth Proportional to 4,135.48, 5,708.46 and 2,738.68

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Solution

The fourth proportional to 4,135.48, 5,708.46 and 2,738.68 is: 3,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.48 : 5,708.46 = 2,738.68 : x
  2. Step 2: Convert to fraction form
    4,135.48/5,708.46 = 2,738.68/x
  3. Step 3: Cross multiply
    4,135.48x = 5,708.46 × 2,738.68
  4. Step 4: Simplify right side
    4,135.48x = 15,633,645.23
  5. Step 5: Solve for x
    x = 15,633,645.23/4,135.48
  6. Step 6: Final answer
    x = 3,780.37

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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.