Home / 1,433.22-2,153.07-1,238.82

Finding the Fourth Proportional to 1,433.22, 2,153.07 and 1,238.82

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Solution

The fourth proportional to 1,433.22, 2,153.07 and 1,238.82 is: 1,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.22 : 2,153.07 = 1,238.82 : x
  2. Step 2: Convert to fraction form
    1,433.22/2,153.07 = 1,238.82/x
  3. Step 3: Cross multiply
    1,433.22x = 2,153.07 × 1,238.82
  4. Step 4: Simplify right side
    1,433.22x = 2,667,266.18
  5. Step 5: Solve for x
    x = 2,667,266.18/1,433.22
  6. Step 6: Final answer
    x = 1,861.03

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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.