Home / 3,451.35-5,175.91-1,370.73

Finding the Fourth Proportional to 3,451.35, 5,175.91 and 1,370.73

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Solution

The fourth proportional to 3,451.35, 5,175.91 and 1,370.73 is: 2,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.35 : 5,175.91 = 1,370.73 : x
  2. Step 2: Convert to fraction form
    3,451.35/5,175.91 = 1,370.73/x
  3. Step 3: Cross multiply
    3,451.35x = 5,175.91 × 1,370.73
  4. Step 4: Simplify right side
    3,451.35x = 7,094,775.11
  5. Step 5: Solve for x
    x = 7,094,775.11/3,451.35
  6. Step 6: Final answer
    x = 2,055.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.