Home / 3,192.05-4,787.38-1,000.49

Finding the Fourth Proportional to 3,192.05, 4,787.38 and 1,000.49

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Solution

The fourth proportional to 3,192.05, 4,787.38 and 1,000.49 is: 1,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.05 : 4,787.38 = 1,000.49 : x
  2. Step 2: Convert to fraction form
    3,192.05/4,787.38 = 1,000.49/x
  3. Step 3: Cross multiply
    3,192.05x = 4,787.38 × 1,000.49
  4. Step 4: Simplify right side
    3,192.05x = 4,789,696.88
  5. Step 5: Solve for x
    x = 4,789,696.88/3,192.05
  6. Step 6: Final answer
    x = 1,500.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.