Home / 3,418.49-5,127.30-1,337.06

Finding the Fourth Proportional to 3,418.49, 5,127.30 and 1,337.06

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Solution

The fourth proportional to 3,418.49, 5,127.30 and 1,337.06 is: 2,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.49 : 5,127.30 = 1,337.06 : x
  2. Step 2: Convert to fraction form
    3,418.49/5,127.30 = 1,337.06/x
  3. Step 3: Cross multiply
    3,418.49x = 5,127.30 × 1,337.06
  4. Step 4: Simplify right side
    3,418.49x = 6,855,520.56
  5. Step 5: Solve for x
    x = 6,855,520.56/3,418.49
  6. Step 6: Final answer
    x = 2,005.42

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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.