Home / 3,057.63-4,219.79-1,879.11

Finding the Fourth Proportional to 3,057.63, 4,219.79 and 1,879.11

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Solution

The fourth proportional to 3,057.63, 4,219.79 and 1,879.11 is: 2,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.63 : 4,219.79 = 1,879.11 : x
  2. Step 2: Convert to fraction form
    3,057.63/4,219.79 = 1,879.11/x
  3. Step 3: Cross multiply
    3,057.63x = 4,219.79 × 1,879.11
  4. Step 4: Simplify right side
    3,057.63x = 7,929,449.59
  5. Step 5: Solve for x
    x = 7,929,449.59/3,057.63
  6. Step 6: Final answer
    x = 2,593.33

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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.