Home / 3,962.43-5,942.46-2,087.31

Finding the Fourth Proportional to 3,962.43, 5,942.46 and 2,087.31

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Solution

The fourth proportional to 3,962.43, 5,942.46 and 2,087.31 is: 3,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.43 : 5,942.46 = 2,087.31 : x
  2. Step 2: Convert to fraction form
    3,962.43/5,942.46 = 2,087.31/x
  3. Step 3: Cross multiply
    3,962.43x = 5,942.46 × 2,087.31
  4. Step 4: Simplify right side
    3,962.43x = 12,403,756.18
  5. Step 5: Solve for x
    x = 12,403,756.18/3,962.43
  6. Step 6: Final answer
    x = 3,130.34

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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.