Home / 3,787.46-5,226.98-2,109.29

Finding the Fourth Proportional to 3,787.46, 5,226.98 and 2,109.29

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Solution

The fourth proportional to 3,787.46, 5,226.98 and 2,109.29 is: 2,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.46 : 5,226.98 = 2,109.29 : x
  2. Step 2: Convert to fraction form
    3,787.46/5,226.98 = 2,109.29/x
  3. Step 3: Cross multiply
    3,787.46x = 5,226.98 × 2,109.29
  4. Step 4: Simplify right side
    3,787.46x = 11,025,216.64
  5. Step 5: Solve for x
    x = 11,025,216.64/3,787.46
  6. Step 6: Final answer
    x = 2,910.98

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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.