Home / 3,787.47-5,226.33-2,108.97

Finding the Fourth Proportional to 3,787.47, 5,226.33 and 2,108.97

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Solution

The fourth proportional to 3,787.47, 5,226.33 and 2,108.97 is: 2,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.47 : 5,226.33 = 2,108.97 : x
  2. Step 2: Convert to fraction form
    3,787.47/5,226.33 = 2,108.97/x
  3. Step 3: Cross multiply
    3,787.47x = 5,226.33 × 2,108.97
  4. Step 4: Simplify right side
    3,787.47x = 11,022,173.18
  5. Step 5: Solve for x
    x = 11,022,173.18/3,787.47
  6. Step 6: Final answer
    x = 2,910.17

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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.