Home / 3,787.09-5,226.51-2,108.44

Finding the Fourth Proportional to 3,787.09, 5,226.51 and 2,108.44

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Solution

The fourth proportional to 3,787.09, 5,226.51 and 2,108.44 is: 2,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.09 : 5,226.51 = 2,108.44 : x
  2. Step 2: Convert to fraction form
    3,787.09/5,226.51 = 2,108.44/x
  3. Step 3: Cross multiply
    3,787.09x = 5,226.51 × 2,108.44
  4. Step 4: Simplify right side
    3,787.09x = 11,019,782.74
  5. Step 5: Solve for x
    x = 11,019,782.74/3,787.09
  6. Step 6: Final answer
    x = 2,909.83

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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.