Home / 2,163.31-3,245.60-914.02

Finding the Fourth Proportional to 2,163.31, 3,245.60 and 914.02

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Solution

The fourth proportional to 2,163.31, 3,245.60 and 914.02 is: 1,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.31 : 3,245.60 = 914.02 : x
  2. Step 2: Convert to fraction form
    2,163.31/3,245.60 = 914.02/x
  3. Step 3: Cross multiply
    2,163.31x = 3,245.60 × 914.02
  4. Step 4: Simplify right side
    2,163.31x = 2,966,551.18
  5. Step 5: Solve for x
    x = 2,966,551.18/2,163.31
  6. Step 6: Final answer
    x = 1,371.30

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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.