Home / 3,958.16-5,462.10-2,189.93

Finding the Fourth Proportional to 3,958.16, 5,462.10 and 2,189.93

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Solution

The fourth proportional to 3,958.16, 5,462.10 and 2,189.93 is: 3,022.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.16 : 5,462.10 = 2,189.93 : x
  2. Step 2: Convert to fraction form
    3,958.16/5,462.10 = 2,189.93/x
  3. Step 3: Cross multiply
    3,958.16x = 5,462.10 × 2,189.93
  4. Step 4: Simplify right side
    3,958.16x = 11,961,589.34
  5. Step 5: Solve for x
    x = 11,961,589.34/3,958.16
  6. Step 6: Final answer
    x = 3,022.01

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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.