Home / 3,110.72-4,291.48-2,060.96

Finding the Fourth Proportional to 3,110.72, 4,291.48 and 2,060.96

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Solution

The fourth proportional to 3,110.72, 4,291.48 and 2,060.96 is: 2,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.72 : 4,291.48 = 2,060.96 : x
  2. Step 2: Convert to fraction form
    3,110.72/4,291.48 = 2,060.96/x
  3. Step 3: Cross multiply
    3,110.72x = 4,291.48 × 2,060.96
  4. Step 4: Simplify right side
    3,110.72x = 8,844,568.62
  5. Step 5: Solve for x
    x = 8,844,568.62/3,110.72
  6. Step 6: Final answer
    x = 2,843.25

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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.