Home / 2,712.38-3,742.43-1,704.26

Finding the Fourth Proportional to 2,712.38, 3,742.43 and 1,704.26

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Solution

The fourth proportional to 2,712.38, 3,742.43 and 1,704.26 is: 2,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.38 : 3,742.43 = 1,704.26 : x
  2. Step 2: Convert to fraction form
    2,712.38/3,742.43 = 1,704.26/x
  3. Step 3: Cross multiply
    2,712.38x = 3,742.43 × 1,704.26
  4. Step 4: Simplify right side
    2,712.38x = 6,378,074.59
  5. Step 5: Solve for x
    x = 6,378,074.59/2,712.38
  6. Step 6: Final answer
    x = 2,351.47

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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.