Home / 3,434.58-4,739.82-2,109.06

Finding the Fourth Proportional to 3,434.58, 4,739.82 and 2,109.06

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Solution

The fourth proportional to 3,434.58, 4,739.82 and 2,109.06 is: 2,910.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.58 : 4,739.82 = 2,109.06 : x
  2. Step 2: Convert to fraction form
    3,434.58/4,739.82 = 2,109.06/x
  3. Step 3: Cross multiply
    3,434.58x = 4,739.82 × 2,109.06
  4. Step 4: Simplify right side
    3,434.58x = 9,996,564.77
  5. Step 5: Solve for x
    x = 9,996,564.77/3,434.58
  6. Step 6: Final answer
    x = 2,910.56

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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.