Home / 3,974.35-5,962.58-1,377.28

Finding the Fourth Proportional to 3,974.35, 5,962.58 and 1,377.28

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Solution

The fourth proportional to 3,974.35, 5,962.58 and 1,377.28 is: 2,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.35 : 5,962.58 = 1,377.28 : x
  2. Step 2: Convert to fraction form
    3,974.35/5,962.58 = 1,377.28/x
  3. Step 3: Cross multiply
    3,974.35x = 5,962.58 × 1,377.28
  4. Step 4: Simplify right side
    3,974.35x = 8,212,142.18
  5. Step 5: Solve for x
    x = 8,212,142.18/3,974.35
  6. Step 6: Final answer
    x = 2,066.29

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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.