Home / 2,633.40-3,944.70-1,812.60

Finding the Fourth Proportional to 2,633.40, 3,944.70 and 1,812.60

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Solution

The fourth proportional to 2,633.40, 3,944.70 and 1,812.60 is: 2,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.40 : 3,944.70 = 1,812.60 : x
  2. Step 2: Convert to fraction form
    2,633.40/3,944.70 = 1,812.60/x
  3. Step 3: Cross multiply
    2,633.40x = 3,944.70 × 1,812.60
  4. Step 4: Simplify right side
    2,633.40x = 7,150,163.22
  5. Step 5: Solve for x
    x = 7,150,163.22/2,633.40
  6. Step 6: Final answer
    x = 2,715.18

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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.