Home / 2,879.20-4,314.48-2,110.24

Finding the Fourth Proportional to 2,879.20, 4,314.48 and 2,110.24

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Solution

The fourth proportional to 2,879.20, 4,314.48 and 2,110.24 is: 3,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.20 : 4,314.48 = 2,110.24 : x
  2. Step 2: Convert to fraction form
    2,879.20/4,314.48 = 2,110.24/x
  3. Step 3: Cross multiply
    2,879.20x = 4,314.48 × 2,110.24
  4. Step 4: Simplify right side
    2,879.20x = 9,104,588.28
  5. Step 5: Solve for x
    x = 9,104,588.28/2,879.20
  6. Step 6: Final answer
    x = 3,162.19

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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.