Home / 3,057.63-4,218.77-1,798.73

Finding the Fourth Proportional to 3,057.63, 4,218.77 and 1,798.73

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Solution

The fourth proportional to 3,057.63, 4,218.77 and 1,798.73 is: 2,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.63 : 4,218.77 = 1,798.73 : x
  2. Step 2: Convert to fraction form
    3,057.63/4,218.77 = 1,798.73/x
  3. Step 3: Cross multiply
    3,057.63x = 4,218.77 × 1,798.73
  4. Step 4: Simplify right side
    3,057.63x = 7,588,398.07
  5. Step 5: Solve for x
    x = 7,588,398.07/3,057.63
  6. Step 6: Final answer
    x = 2,481.79

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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.