Home / 3,400.21-5,101.07-1,208.93

Finding the Fourth Proportional to 3,400.21, 5,101.07 and 1,208.93

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Solution

The fourth proportional to 3,400.21, 5,101.07 and 1,208.93 is: 1,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.21 : 5,101.07 = 1,208.93 : x
  2. Step 2: Convert to fraction form
    3,400.21/5,101.07 = 1,208.93/x
  3. Step 3: Cross multiply
    3,400.21x = 5,101.07 × 1,208.93
  4. Step 4: Simplify right side
    3,400.21x = 6,166,836.56
  5. Step 5: Solve for x
    x = 6,166,836.56/3,400.21
  6. Step 6: Final answer
    x = 1,813.66

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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.