Home / 2,327.32-3,213.11-1,531.90

Finding the Fourth Proportional to 2,327.32, 3,213.11 and 1,531.90

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Solution

The fourth proportional to 2,327.32, 3,213.11 and 1,531.90 is: 2,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.32 : 3,213.11 = 1,531.90 : x
  2. Step 2: Convert to fraction form
    2,327.32/3,213.11 = 1,531.90/x
  3. Step 3: Cross multiply
    2,327.32x = 3,213.11 × 1,531.90
  4. Step 4: Simplify right side
    2,327.32x = 4,922,163.21
  5. Step 5: Solve for x
    x = 4,922,163.21/2,327.32
  6. Step 6: Final answer
    x = 2,114.95

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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.