Home / 3,419.91-5,127.81-1,337.43

Finding the Fourth Proportional to 3,419.91, 5,127.81 and 1,337.43

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Solution

The fourth proportional to 3,419.91, 5,127.81 and 1,337.43 is: 2,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.91 : 5,127.81 = 1,337.43 : x
  2. Step 2: Convert to fraction form
    3,419.91/5,127.81 = 1,337.43/x
  3. Step 3: Cross multiply
    3,419.91x = 5,127.81 × 1,337.43
  4. Step 4: Simplify right side
    3,419.91x = 6,858,086.93
  5. Step 5: Solve for x
    x = 6,858,086.93/3,419.91
  6. Step 6: Final answer
    x = 2,005.34

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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.