Home / 1,441.27-2,163.61-1,213.00

Finding the Fourth Proportional to 1,441.27, 2,163.61 and 1,213.00

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Solution

The fourth proportional to 1,441.27, 2,163.61 and 1,213.00 is: 1,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.27 : 2,163.61 = 1,213.00 : x
  2. Step 2: Convert to fraction form
    1,441.27/2,163.61 = 1,213.00/x
  3. Step 3: Cross multiply
    1,441.27x = 2,163.61 × 1,213.00
  4. Step 4: Simplify right side
    1,441.27x = 2,624,461.12
  5. Step 5: Solve for x
    x = 2,624,461.12/1,441.27
  6. Step 6: Final answer
    x = 1,820.94

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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.