Home / 3,469.05-4,787.51-2,274.75

Finding the Fourth Proportional to 3,469.05, 4,787.51 and 2,274.75

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Solution

The fourth proportional to 3,469.05, 4,787.51 and 2,274.75 is: 3,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.05 : 4,787.51 = 2,274.75 : x
  2. Step 2: Convert to fraction form
    3,469.05/4,787.51 = 2,274.75/x
  3. Step 3: Cross multiply
    3,469.05x = 4,787.51 × 2,274.75
  4. Step 4: Simplify right side
    3,469.05x = 10,890,377.00
  5. Step 5: Solve for x
    x = 10,890,377.00/3,469.05
  6. Step 6: Final answer
    x = 3,139.30

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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.