Home / 3,962.94-5,942.71-1,621.32

Finding the Fourth Proportional to 3,962.94, 5,942.71 and 1,621.32

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Solution

The fourth proportional to 3,962.94, 5,942.71 and 1,621.32 is: 2,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.94 : 5,942.71 = 1,621.32 : x
  2. Step 2: Convert to fraction form
    3,962.94/5,942.71 = 1,621.32/x
  3. Step 3: Cross multiply
    3,962.94x = 5,942.71 × 1,621.32
  4. Step 4: Simplify right side
    3,962.94x = 9,635,034.58
  5. Step 5: Solve for x
    x = 9,635,034.58/3,962.94
  6. Step 6: Final answer
    x = 2,431.28

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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.