Home / 3,874.31-5,345.89-2,195.37

Finding the Fourth Proportional to 3,874.31, 5,345.89 and 2,195.37

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Solution

The fourth proportional to 3,874.31, 5,345.89 and 2,195.37 is: 3,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.31 : 5,345.89 = 2,195.37 : x
  2. Step 2: Convert to fraction form
    3,874.31/5,345.89 = 2,195.37/x
  3. Step 3: Cross multiply
    3,874.31x = 5,345.89 × 2,195.37
  4. Step 4: Simplify right side
    3,874.31x = 11,736,206.53
  5. Step 5: Solve for x
    x = 11,736,206.53/3,874.31
  6. Step 6: Final answer
    x = 3,029.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.