Home / 4,138.56-5,708.88-2,722.32

Finding the Fourth Proportional to 4,138.56, 5,708.88 and 2,722.32

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Solution

The fourth proportional to 4,138.56, 5,708.88 and 2,722.32 is: 3,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.56 : 5,708.88 = 2,722.32 : x
  2. Step 2: Convert to fraction form
    4,138.56/5,708.88 = 2,722.32/x
  3. Step 3: Cross multiply
    4,138.56x = 5,708.88 × 2,722.32
  4. Step 4: Simplify right side
    4,138.56x = 15,541,398.20
  5. Step 5: Solve for x
    x = 15,541,398.20/4,138.56
  6. Step 6: Final answer
    x = 3,755.27

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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.