Home / 3,787.16-5,226.55-2,194.21

Finding the Fourth Proportional to 3,787.16, 5,226.55 and 2,194.21

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Solution

The fourth proportional to 3,787.16, 5,226.55 and 2,194.21 is: 3,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.16 : 5,226.55 = 2,194.21 : x
  2. Step 2: Convert to fraction form
    3,787.16/5,226.55 = 2,194.21/x
  3. Step 3: Cross multiply
    3,787.16x = 5,226.55 × 2,194.21
  4. Step 4: Simplify right side
    3,787.16x = 11,468,170.19
  5. Step 5: Solve for x
    x = 11,468,170.19/3,787.16
  6. Step 6: Final answer
    x = 3,028.18

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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.