Home / 2,331.72-3,494.70-2,191.72

Finding the Fourth Proportional to 2,331.72, 3,494.70 and 2,191.72

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Solution

The fourth proportional to 2,331.72, 3,494.70 and 2,191.72 is: 3,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.72 : 3,494.70 = 2,191.72 : x
  2. Step 2: Convert to fraction form
    2,331.72/3,494.70 = 2,191.72/x
  3. Step 3: Cross multiply
    2,331.72x = 3,494.70 × 2,191.72
  4. Step 4: Simplify right side
    2,331.72x = 7,659,403.88
  5. Step 5: Solve for x
    x = 7,659,403.88/2,331.72
  6. Step 6: Final answer
    x = 3,284.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.