Home / 3,434.22-4,739.24-2,108.79

Finding the Fourth Proportional to 3,434.22, 4,739.24 and 2,108.79

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Solution

The fourth proportional to 3,434.22, 4,739.24 and 2,108.79 is: 2,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.22 : 4,739.24 = 2,108.79 : x
  2. Step 2: Convert to fraction form
    3,434.22/4,739.24 = 2,108.79/x
  3. Step 3: Cross multiply
    3,434.22x = 4,739.24 × 2,108.79
  4. Step 4: Simplify right side
    3,434.22x = 9,994,067.19
  5. Step 5: Solve for x
    x = 9,994,067.19/3,434.22
  6. Step 6: Final answer
    x = 2,910.14

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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.