Home / 3,787.78-5,226.38-2,294.84

Finding the Fourth Proportional to 3,787.78, 5,226.38 and 2,294.84

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Solution

The fourth proportional to 3,787.78, 5,226.38 and 2,294.84 is: 3,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.78 : 5,226.38 = 2,294.84 : x
  2. Step 2: Convert to fraction form
    3,787.78/5,226.38 = 2,294.84/x
  3. Step 3: Cross multiply
    3,787.78x = 5,226.38 × 2,294.84
  4. Step 4: Simplify right side
    3,787.78x = 11,993,676.10
  5. Step 5: Solve for x
    x = 11,993,676.10/3,787.78
  6. Step 6: Final answer
    x = 3,166.41

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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.