Home / 1,103.26-1,522.45-605.90

Finding the Fourth Proportional to 1,103.26, 1,522.45 and 605.90

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Solution

The fourth proportional to 1,103.26, 1,522.45 and 605.90 is: 836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.26 : 1,522.45 = 605.90 : x
  2. Step 2: Convert to fraction form
    1,103.26/1,522.45 = 605.90/x
  3. Step 3: Cross multiply
    1,103.26x = 1,522.45 × 605.90
  4. Step 4: Simplify right side
    1,103.26x = 922,452.46
  5. Step 5: Solve for x
    x = 922,452.46/1,103.26
  6. Step 6: Final answer
    x = 836.12

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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.