Home / 3,942.02-5,912.57-1,599.65

Finding the Fourth Proportional to 3,942.02, 5,912.57 and 1,599.65

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Solution

The fourth proportional to 3,942.02, 5,912.57 and 1,599.65 is: 2,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.02 : 5,912.57 = 1,599.65 : x
  2. Step 2: Convert to fraction form
    3,942.02/5,912.57 = 1,599.65/x
  3. Step 3: Cross multiply
    3,942.02x = 5,912.57 × 1,599.65
  4. Step 4: Simplify right side
    3,942.02x = 9,458,005.04
  5. Step 5: Solve for x
    x = 9,458,005.04/3,942.02
  6. Step 6: Final answer
    x = 2,399.28

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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.