Home / 3,958.42-5,462.64-2,190.04

Finding the Fourth Proportional to 3,958.42, 5,462.64 and 2,190.04

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Solution

The fourth proportional to 3,958.42, 5,462.64 and 2,190.04 is: 3,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.42 : 5,462.64 = 2,190.04 : x
  2. Step 2: Convert to fraction form
    3,958.42/5,462.64 = 2,190.04/x
  3. Step 3: Cross multiply
    3,958.42x = 5,462.64 × 2,190.04
  4. Step 4: Simplify right side
    3,958.42x = 11,963,386.45
  5. Step 5: Solve for x
    x = 11,963,386.45/3,958.42
  6. Step 6: Final answer
    x = 3,022.26

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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.