Home / 3,787.33-5,226.45-2,108.70

Finding the Fourth Proportional to 3,787.33, 5,226.45 and 2,108.70

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Solution

The fourth proportional to 3,787.33, 5,226.45 and 2,108.70 is: 2,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.33 : 5,226.45 = 2,108.70 : x
  2. Step 2: Convert to fraction form
    3,787.33/5,226.45 = 2,108.70/x
  3. Step 3: Cross multiply
    3,787.33x = 5,226.45 × 2,108.70
  4. Step 4: Simplify right side
    3,787.33x = 11,021,015.12
  5. Step 5: Solve for x
    x = 11,021,015.12/3,787.33
  6. Step 6: Final answer
    x = 2,909.97

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1.5x scale

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.