Home / 2,810.22-3,879.18-2,514.96

Finding the Fourth Proportional to 2,810.22, 3,879.18 and 2,514.96

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Solution

The fourth proportional to 2,810.22, 3,879.18 and 2,514.96 is: 3,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.22 : 3,879.18 = 2,514.96 : x
  2. Step 2: Convert to fraction form
    2,810.22/3,879.18 = 2,514.96/x
  3. Step 3: Cross multiply
    2,810.22x = 3,879.18 × 2,514.96
  4. Step 4: Simplify right side
    2,810.22x = 9,755,982.53
  5. Step 5: Solve for x
    x = 9,755,982.53/2,810.22
  6. Step 6: Final answer
    x = 3,471.61

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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.