Home / 3,191.82-4,395.64-2,306.22

Finding the Fourth Proportional to 3,191.82, 4,395.64 and 2,306.22

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Solution

The fourth proportional to 3,191.82, 4,395.64 and 2,306.22 is: 3,176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.82 : 4,395.64 = 2,306.22 : x
  2. Step 2: Convert to fraction form
    3,191.82/4,395.64 = 2,306.22/x
  3. Step 3: Cross multiply
    3,191.82x = 4,395.64 × 2,306.22
  4. Step 4: Simplify right side
    3,191.82x = 10,137,326.17
  5. Step 5: Solve for x
    x = 10,137,326.17/3,191.82
  6. Step 6: Final answer
    x = 3,176.03

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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.