Home / 1,103.17-1,522.39-605.80

Finding the Fourth Proportional to 1,103.17, 1,522.39 and 605.80

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Solution

The fourth proportional to 1,103.17, 1,522.39 and 605.80 is: 836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.17 : 1,522.39 = 605.80 : x
  2. Step 2: Convert to fraction form
    1,103.17/1,522.39 = 605.80/x
  3. Step 3: Cross multiply
    1,103.17x = 1,522.39 × 605.80
  4. Step 4: Simplify right side
    1,103.17x = 922,263.86
  5. Step 5: Solve for x
    x = 922,263.86/1,103.17
  6. Step 6: Final answer
    x = 836.01

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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.