Home / 3,958.10-5,462.02-2,189.66

Finding the Fourth Proportional to 3,958.10, 5,462.02 and 2,189.66

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Solution

The fourth proportional to 3,958.10, 5,462.02 and 2,189.66 is: 3,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.10 : 5,462.02 = 2,189.66 : x
  2. Step 2: Convert to fraction form
    3,958.10/5,462.02 = 2,189.66/x
  3. Step 3: Cross multiply
    3,958.10x = 5,462.02 × 2,189.66
  4. Step 4: Simplify right side
    3,958.10x = 11,959,955.76
  5. Step 5: Solve for x
    x = 11,959,955.76/3,958.10
  6. Step 6: Final answer
    x = 3,021.64

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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.