Home / 3,369.18-5,045.94-1,721.64

Finding the Fourth Proportional to 3,369.18, 5,045.94 and 1,721.64

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Solution

The fourth proportional to 3,369.18, 5,045.94 and 1,721.64 is: 2,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.18 : 5,045.94 = 1,721.64 : x
  2. Step 2: Convert to fraction form
    3,369.18/5,045.94 = 1,721.64/x
  3. Step 3: Cross multiply
    3,369.18x = 5,045.94 × 1,721.64
  4. Step 4: Simplify right side
    3,369.18x = 8,687,292.14
  5. Step 5: Solve for x
    x = 8,687,292.14/3,369.18
  6. Step 6: Final answer
    x = 2,578.46

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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.