Home / 3,211.26-4,431-1,952.10

Finding the Fourth Proportional to 3,211.26, 4,431 and 1,952.10

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Solution

The fourth proportional to 3,211.26, 4,431 and 1,952.10 is: 2,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.26 : 4,431 = 1,952.10 : x
  2. Step 2: Convert to fraction form
    3,211.26/4,431 = 1,952.10/x
  3. Step 3: Cross multiply
    3,211.26x = 4,431 × 1,952.10
  4. Step 4: Simplify right side
    3,211.26x = 8,649,755.10
  5. Step 5: Solve for x
    x = 8,649,755.10/3,211.26
  6. Step 6: Final answer
    x = 2,693.57

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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.