Home / 2,717.05-4,073.14-1,419.43

Finding the Fourth Proportional to 2,717.05, 4,073.14 and 1,419.43

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Solution

The fourth proportional to 2,717.05, 4,073.14 and 1,419.43 is: 2,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.05 : 4,073.14 = 1,419.43 : x
  2. Step 2: Convert to fraction form
    2,717.05/4,073.14 = 1,419.43/x
  3. Step 3: Cross multiply
    2,717.05x = 4,073.14 × 1,419.43
  4. Step 4: Simplify right side
    2,717.05x = 5,781,537.11
  5. Step 5: Solve for x
    x = 5,781,537.11/2,717.05
  6. Step 6: Final answer
    x = 2,127.87

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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.