Home / 1,103.11-1,522.28-605.76

Finding the Fourth Proportional to 1,103.11, 1,522.28 and 605.76

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Solution

The fourth proportional to 1,103.11, 1,522.28 and 605.76 is: 835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.11 : 1,522.28 = 605.76 : x
  2. Step 2: Convert to fraction form
    1,103.11/1,522.28 = 605.76/x
  3. Step 3: Cross multiply
    1,103.11x = 1,522.28 × 605.76
  4. Step 4: Simplify right side
    1,103.11x = 922,136.33
  5. Step 5: Solve for x
    x = 922,136.33/1,103.11
  6. Step 6: Final answer
    x = 835.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.