Home / 3,958.26-5,462.37-2,165.75

Finding the Fourth Proportional to 3,958.26, 5,462.37 and 2,165.75

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Solution

The fourth proportional to 3,958.26, 5,462.37 and 2,165.75 is: 2,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.26 : 5,462.37 = 2,165.75 : x
  2. Step 2: Convert to fraction form
    3,958.26/5,462.37 = 2,165.75/x
  3. Step 3: Cross multiply
    3,958.26x = 5,462.37 × 2,165.75
  4. Step 4: Simplify right side
    3,958.26x = 11,830,127.83
  5. Step 5: Solve for x
    x = 11,830,127.83/3,958.26
  6. Step 6: Final answer
    x = 2,988.72

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1.5x scale

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.