Home / 3,974.57-5,961.86-1,377.51

Finding the Fourth Proportional to 3,974.57, 5,961.86 and 1,377.51

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Solution

The fourth proportional to 3,974.57, 5,961.86 and 1,377.51 is: 2,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.57 : 5,961.86 = 1,377.51 : x
  2. Step 2: Convert to fraction form
    3,974.57/5,961.86 = 1,377.51/x
  3. Step 3: Cross multiply
    3,974.57x = 5,961.86 × 1,377.51
  4. Step 4: Simplify right side
    3,974.57x = 8,212,521.77
  5. Step 5: Solve for x
    x = 8,212,521.77/3,974.57
  6. Step 6: Final answer
    x = 2,066.27

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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.