Home / 2,531.16-3,796.50-1,214.64

Finding the Fourth Proportional to 2,531.16, 3,796.50 and 1,214.64

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Solution

The fourth proportional to 2,531.16, 3,796.50 and 1,214.64 is: 1,821.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.16 : 3,796.50 = 1,214.64 : x
  2. Step 2: Convert to fraction form
    2,531.16/3,796.50 = 1,214.64/x
  3. Step 3: Cross multiply
    2,531.16x = 3,796.50 × 1,214.64
  4. Step 4: Simplify right side
    2,531.16x = 4,611,380.76
  5. Step 5: Solve for x
    x = 4,611,380.76/2,531.16
  6. Step 6: Final answer
    x = 1,821.84

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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.